Annotation of loncom/interface/lonprintout.pm, revision 1.569

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.569   ! foxr        5: # $Id: lonprintout.pm,v 1.568 2009/12/21 12:11:51 foxr Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: use strict;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521     foxr       41: use Apache::lonenc;
1.531     foxr       42: use Apache::entities;
1.550     foxr       43: use Apache::londefdef;
                     44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.511     foxr       48: 
1.491     albertel   49: use LONCAPA::map();
1.34      sakharuk   50: use POSIX qw(strftime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.397     albertel   55: my %perm;
1.454     foxr       56: my %parmhash;
1.459     foxr       57: my $resources_printed;
1.454     foxr       58: 
1.515     foxr       59: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     60: #
                     61: 
                     62: my $ssi_error;			# True if there was an ssi error.
                     63: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     64: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     65: 
                     66: #
                     67: #  Our ssi max retry count.
                     68: #
                     69: 
                     70: my $ssi_retry_count = 5;	# Some arbitrary value.
                     71: 
                     72: 
1.556     foxr       73: #  Font size:
                     74: 
                     75: my $font_size = 'normalsize';	# Default is normalsize...
                     76: 
1.562     foxr       77: #----------------------------  Helper helpers. -------------------------
                     78: 
                     79: #  Returns the text needd for a student chooser.
                     80: #  that text must still be parsed by the helper xml parser.
                     81: # Parameters:
                     82: #   this_state   - State name of the chooser.
                     83: #   sort_choice  - variable to hold the sorting choice.
                     84: #   variable     - Name of variable to hold students.
                     85: #   next_state   - State after chooser.
                     86: 
                     87: 
                     88: sub generate_student_chooser {
                     89:     my ($this_state, 
                     90: 	$sort_choice, 
                     91: 	$variable, 
                     92: 	$next_state) = @_;
                     93:     my $result = <<CHOOSE_STUDENTS;
                     94:   <state name="$this_state" title="Select Students and Resources">
                     95:       <message><b>Select sorting order of printout</b> </message>
                     96: 
                     97:     <choices variable="$sort_choice">
                     98:       <choice computer='0'>Sort by section then student</choice>
                     99:       <choice computer='1'>Sort by students across sections.</choice>
                    100:     </choices>
                    101: 
                    102:       <message><br /><hr /><br /> </message>
                    103:       <student multichoice='1' 
                    104:                variable="$variable" 
                    105:                nextstate="$next_state" 
                    106:                coursepersonnel="1" />
                    107:   </state>
                    108: 
                    109: CHOOSE_STUDENTS
                    110: 
                    111:   return $result;
                    112: }
                    113: 
                    114: # Generate the text needed for a resource chooser given the top level of
                    115: # the sequence/page
                    116: #
                    117: # Parameters:
                    118: #     this_state    - State name of the chooser.
                    119: #     prompt_text   - Text to use to prompt user.
                    120: #     resource_options - Resource tag options e.g.
                    121: #                        "multichoice='1', toponly='1', addstatus='1'"
                    122: #                     that control the selection and appearance of the
                    123: #                     resource selector.
                    124: #     variable      - Name of the variable to hold the choice
                    125: #     next_state    - Name of the next state the helper should transition
                    126: #                     to
                    127: #     top_url       - Top level URL within which to make the selector.
                    128: #                     If empty the top level sequence is shown.
                    129: #     filter        - How to filter the resources.
                    130: #     value_func    - <valuefunc> function.
                    131: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    132: #     start_new_option 
                    133: #                   - Fragment appended after valuefunc.
                    134: #
                    135: #
                    136: sub generate_resource_chooser {
                    137:     my ($this_state,
                    138: 	$prompt_text,
                    139: 	$resource_options,
                    140: 	$variable,
                    141: 	$next_state,
                    142: 	$top_url,
                    143: 	$filter,
                    144: 	$choice_func,
                    145: 	$value_func,
                    146: 	$start_new_option)  = @_;
                    147: 
                    148:     my $result = <<CHOOSE_RESOURCES;
                    149: <state name="$this_state" title="$prompt_text">
                    150:     <resource variable="$variable" $resource_options
                    151:               closeallpages="1">
                    152:       <nextstate>$next_state</nextstate>
                    153:       <filterfunc>return $filter;</filterfunc>
                    154: CHOOSE_RESOURCES
                    155:     if ($choice_func ne '') {
                    156: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    157:     }
                    158:     if ($top_url ne '') {
                    159: 	$result .=  "<mapurl>$top_url</mapurl>";
                    160:     }
                    161:     $result .= <<CHOOSE_RESOURCES;
                    162:       <valuefunc>return $value_func;</valuefunc>
                    163:       $start_new_option
                    164:       </resource>
                    165:     </state>
                    166: CHOOSE_RESOURCES
                    167: 
                    168:     return $result;
                    169: }
                    170: #
                    171: #   Generate the helper XML for a code choice helper dialog:
                    172: #
                    173: # Paramters:
                    174: #   $helper       - Reference to the helper.
                    175: #   $state        - Name of the state for the chooser.
                    176: #   $next_state   - Name fo the state to follow the chooser.
                    177: #   $bubble_types - Populates the bubble sheet type dropt down.
                    178: #   $code_selections - Provides set of code choices that have been used
                    179: #   $saved_codes  - Provides the list of saved codes.
                    180: #
                    181: # Returns;
                    182: #   The Xml of the code chooser.
                    183: #
                    184: sub generate_code_selector {
                    185:     my ($helper,
                    186: 	$state,
                    187: 	$next_state,
                    188: 	$bubble_types,
                    189: 	$code_selections,
                    190: 	$saved_codes) = @_;	# Unpack the parameters.
                    191: 
                    192:     my $result = <<CHOOSE_ANON1;
                    193:   <state name="$state" title="Specify CODEd Assignments">
                    194:     <nextstate>$next_state</nextstate>
                    195:     <message><h4>Fill out one of the forms below</h4></message>
                    196:     <message><br /><hr /> <br /></message>
                    197:     <message><h3>Generate new CODEd Assignments</h3></message>
                    198:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
                    199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                    200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                    204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    205: 	    return "You need to specify the number of assignments to print";
                    206: 	}
                    207: 	return undef;
                    208:        </validator>
                    209:     </string>
                    210:     <message></td></tr><tr><td></message>
                    211:     <message><b>Names to save the CODEs under for later:</b></message>
                    212:     <message></td><td></message>
                    213:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    214:     <message></td></tr><tr><td></message>
                    215:     <message><b>Bubble sheet type:</b></message>
                    216:     <message></td><td></message>
                    217:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    218:     $bubble_types
                    219:     </dropdown>
                    220:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    221:     <message></td></tr><tr><td></table></message>
                    222:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    223:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    224:     <string variable="SINGLE_CODE" size="10">
                    225:         <validator>
                    226: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    227: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    228: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    229: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    230: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                    231: 	   } else {
                    232: 	       return undef;	# Other forces control us.
                    233: 	   }
                    234:         </validator>
                    235:     </string>
                    236:     <message></td></tr><tr><td></message>
                    237:         $code_selections
                    238:     <message></td></tr></table></message>
                    239:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    240:     <message><b>Select saved CODEs:</b></message>
                    241:     <message></td><td></message>
                    242:     <dropdown variable="REUSE_OLD_CODES">
                    243:         $saved_codes
                    244:     </dropdown>
                    245:     <message></td></tr></table></message>
                    246:   </state>
                    247: CHOOSE_ANON1
                    248: 
                    249:    return $result;
                    250: }
                    251: 
                    252: #-----------------------------------------------------------------------
                    253: 
1.515     foxr      254: 
1.498     foxr      255: # Fetch the contents of a resource, uninterpreted.
                    256: # This is used here to fetch a latex file to be included
                    257: # verbatim into the printout<
                    258: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    259: #
                    260: # Parameters:
                    261: #   URL of the file
                    262: #
                    263: sub fetch_raw_resource {
                    264:     my ($url) = @_;
                    265: 
                    266:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      267:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      268: 
1.500     foxr      269:     if ($contents == -1) {
                    270: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      271:     }
1.500     foxr      272:     return $contents;
1.498     foxr      273: 
                    274:     
                    275: }
                    276: 
1.511     foxr      277: #  Fetch the annotations associated with a URL and 
                    278: #  put a centered 'annotations:' title.
                    279: #  This is all suppressed if the annotations are empty.
                    280: #
                    281: sub annotate {
                    282:     my ($symb) = @_;
                    283: 
1.559     foxr      284:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      285: 
                    286: 
                    287:     my $result = "";
                    288: 
                    289:     if (length($annotation_text) > 0) {
                    290: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    291: 	$result .= "\n";
                    292: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    293: 	$result .= "\n\n";
                    294:     }
                    295:     return $result;
                    296: }
                    297: 
1.556     foxr      298: #
                    299: #   Set a global document font size:
                    300: #   This is done by replacing \begin{document}
                    301: #   with \begin{document}{\some-font-directive
                    302: #   and \end{document} with
                    303: #   }\end{document
                    304: #
                    305: sub set_font_size {
                    306: 
                    307:     my ($text) = @_;
                    308: 
                    309:     $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    310:     $text =~ s/\\end{document}/}\\end{document}/;
                    311:     return $text;
                    312: 
                    313: 
                    314: }
                    315: 
1.550     foxr      316: # include_pdf - PDF files are included into the 
                    317: # output as follows:
                    318: #  - The PDF, if necessary, is replicated.
                    319: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    320: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    321: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    322: #
                    323: # Parameters:
                    324: #   pdf_uri   - URI of the PDF file to include.
                    325: #   
                    326: # Returns:
                    327: #  The LaTeX to include.
                    328: #
                    329: # Assumptions:
                    330: #    The uri is actually a PDF file
                    331: #    The postscript will have the includepsheader.ps included.
                    332: #
                    333: #
                    334: sub include_pdf {
                    335:     my ($pdf_uri) = @_;
                    336: 
                    337:     # Where is the file? If not local we'll need to repcopy it:'
                    338: 
                    339:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    340:     if (! -e $file) {
                    341: 	&Apache::lonnet::repcopy($file);
                    342: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    343:     }
                    344: 
                    345:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    346:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    347:     # need tob e converted for this print job:
                    348: 
                    349:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    350: 
                    351:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    352:     print FILE ("$file\n");
                    353:     close (FILE);
                    354: 
                    355:     # Construct the special to put out.  To do this we need to get the
                    356:     # resulting filename after conversion.  The file will have the same name
                    357:     # but will be in the user's spool directory with converted images.
                    358: 
                    359:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    360:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    361: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    362:     $base =~ s/ /\_/g;
                    363: 
                    364: 
1.551     foxr      365:     my $output = &print_latex_header();
1.550     foxr      366:     $output    .= '\special{ps: _begin_job_ ('
                    367: 	.$base.'.pdf.eps'.
                    368: 	')run _end_job_}';
                    369: 
                    370:     return $output;
                    371: 
                    372: 
                    373: }
                    374: 
1.515     foxr      375: 
                    376: #
1.559     foxr      377: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      378: #                      if the ssi call returns an error we'll retry it up to
                    379: #                      the number of times requested by the caller.
                    380: #                      If we still have a proble, no text is appended to the
                    381: #                      output and we set some global variables.
1.523     raeburn   382: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      383: #                      All of this is supposed to deal with the issues described
                    384: #                      in LonCAPA BZ 5631 see:
                    385: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    386: #                      by informing the user that this happened.
                    387: #
                    388: # Parameters:
                    389: #   resource   - The resource to include.  This is passed directly, without
                    390: #                interpretation to lonnet::ssi.
                    391: #   form       - The form hash parameters that guide the interpretation of the resource
                    392: #                
                    393: #   retries    - Number of retries allowed before giving up completely.
                    394: # Returns:
                    395: #   On success, returns the rendered resource identified by the resource parameter.
                    396: # Side Effects:
                    397: #   The following global variables can be set:
1.523     raeburn   398: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      399: #                               It is up to the caller to initialize this to false
                    400: #                               if desired.
1.523     raeburn   401: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      402: #                               of the resource that could not be rendered by the ssi
                    403: #                               call.
                    404: #    ssi_last_error           - The error string fetched from the ssi response
                    405: #                               in the event of an error.
                    406: #
                    407: sub ssi_with_retries {
                    408:     my ($resource, $retries, %form) = @_;
                    409: 
1.559     foxr      410:     my $target = $form{'grade_target'};
                    411:     my $aom    = $form{'answer_output_mode'};
                    412: 
                    413: 
1.515     foxr      414: 
1.516     foxr      415:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    416:     if (!$response->is_success) {
1.515     foxr      417: 	$ssi_error               = 1;
                    418: 	$ssi_last_error_resource = $resource;
1.516     foxr      419: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   420:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      421: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      422:     }
1.516     foxr      423: 
                    424:     return $content;
                    425: 
1.515     foxr      426: }
                    427: 
1.524     www       428: sub get_student_view_with_retries {
                    429:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    430: 
                    431:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    432:     if (!$response->is_success) {
                    433:         $ssi_error               = 1;
1.526     www       434:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       435:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   436:         $content='\section*{!!! An error occurred !!!}';
1.526     www       437:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       438:     }
                    439:     return $content;
                    440: 
                    441: }
                    442: 
1.486     foxr      443: #
                    444: #   printf_style_subst  item format_string repl
                    445: #  
                    446: # Does printf style substitution for a format string that
                    447: # can have %[n]item in it.. wherever, %[n]item occurs,
                    448: # rep is substituted in format_string.  Note that
                    449: # [n] is an optional integer length.  If provided,
                    450: # repl is truncated to at most [n] characters prior to 
                    451: # substitution.
                    452: #
                    453: sub printf_style_subst {
                    454:     my ($item, $format_string, $repl) = @_;
1.490     foxr      455:     my $result = "";
                    456:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  457: 	my $fmt = $1;
                    458: 	my $size = $2;
1.486     foxr      459: 	my $subst = $repl;
                    460: 	if ($size ne "") {
                    461: 	    $subst = substr($subst, 0, $size);
1.490     foxr      462: 	    
                    463: 	    #  Here's a nice edge case.. supose the end of the
                    464: 	    #  substring is a \.  In that case may have  just
                    465: 	    #  chopped off a TeX escape... in that case, we append
                    466: 	    #   " " for the trailing character, and let the field 
                    467: 	    #  spill over a bit (sigh).
                    468: 	    #  We don't just chop off the last character in order to deal
                    469: 	    #  with one last pathology, and that would be if substr had
                    470: 	    #  trimmed us to e.g. \\\  
                    471: 
                    472: 
                    473: 	    if ($subst =~ /\\$/) {
                    474: 		$subst .= " ";
                    475: 	    }
1.486     foxr      476: 	}
1.490     foxr      477: 	my $item_pos = pos($format_string);
                    478: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    479:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      480:     }
1.490     foxr      481: 
                    482:     # Put the residual format string into the result:
                    483: 
                    484:     $result .= $format_string;
                    485: 
                    486:     return $result;
1.486     foxr      487: }
                    488: 
1.454     foxr      489: 
                    490: # Format a header according to a format.  
                    491: # 
                    492: 
                    493: # Substitutions:
                    494: #     %a    - Assignment name.
                    495: #     %c    - Course name.
                    496: #     %n    - Student name.
1.537     foxr      497: #     %s    - The section if it is supplied.
1.454     foxr      498: #
                    499: sub format_page_header {
1.537     foxr      500:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    501: 
1.565     foxr      502: 
                    503: 
1.486     foxr      504:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr      505:     my $chars_per_line = int($width/1.6);   # Character/textline.
                    506: 
1.454     foxr      507:     #  Default format?
                    508: 
                    509:     if ($format eq '') {
1.486     foxr      510: 	# For the default format, we may need to truncate
                    511: 	# elements..  To do this we need to get the page width.
                    512: 	# we assume that each character is about 2mm in width.
                    513: 	# (correct for the header text size??).  We ignore
                    514: 	# any formatting (e.g. boldfacing in this).
                    515: 	# 
                    516: 	# - Allow the student/course to be one line.
                    517: 	#   but only truncate the course.
                    518: 	# - Allow the assignment to be 2 lines (wrapped).
                    519: 	#
1.565     foxr      520: 
1.537     foxr      521: 	
                    522: 
                    523: 	my $name_length    = int($chars_per_line *3 /4);
                    524: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      525: 
1.537     foxr      526: 	$format  = "%$name_length".'n';
1.486     foxr      527: 
1.537     foxr      528: 	if ($section) {
                    529: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      530: 	}
1.489     foxr      531: 
1.537     foxr      532: 	$format .= '\\\\%c \\\\ %a';
                    533:         
1.490     foxr      534: 
1.454     foxr      535:     }
1.537     foxr      536:     # An open question is how to handle long user formatted page headers...
                    537:     # A possible future is to support e.g. %na so that the user can control
                    538:     # the truncation of the elements that can appear in the header.
                    539:     #
                    540:     $format =  &printf_style_subst("a", $format, $assignment);
                    541:     $format =  &printf_style_subst("c", $format, $course);
                    542:     $format =  &printf_style_subst("n", $format, $student);
                    543:     $format =  &printf_style_subst("s", $format, $section);
                    544:     
                    545:     
                    546:     # If the user put %'s in the format string, they  must be escaped
                    547:     # to \% else LaTeX will think they are comments and terminate
                    548:     # the line.. which is bad!!!
                    549:     
1.538     onken     550:     # If the user has role author, $course and $assignment are empty so
                    551:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    552:     if($format =~ /\\\\\s\\\\\s/) {
                    553:         #TODO find sensible caption for page header
                    554:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    555:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    556:     }
1.565     foxr      557:     #
                    558:     #  We're going to trust LaTeX to break lines appropriately, but
                    559:     #  we'll truncate anything that's more than 3 lines worth of
                    560:     # text.  This is also assuming (which will probably end badly)
                    561:     # nobody's going to embed LaTeX control sequences in the title
                    562:     # header or rather that those control sequences won't get broken
                    563:     # by the stuff below.
                    564:     #
                    565:     my $total_length = 3*$chars_per_line;
                    566:     if (length($format) > $total_length) {
                    567: 	$format = substr($format, 0, $total_length);
                    568:     }
                    569: 
1.454     foxr      570: 
                    571:     return $format;
                    572:     
                    573: }
1.397     albertel  574: 
1.385     foxr      575: #
                    576: #   Convert a numeric code to letters
                    577: #
                    578: sub num_to_letters {
                    579:     my ($num) = @_;
                    580:     my @nums= split('',$num);
                    581:     my @num_to_let=('A'..'Z');
                    582:     my $word;
                    583:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    584:     return $word;
                    585: }
                    586: #   Convert a letter code to numeric.
                    587: #
                    588: sub letters_to_num {
                    589:     my ($letters) = @_;
                    590:     my @letters = split('', uc($letters));
1.490     foxr      591:    my %substitution;
1.385     foxr      592:     my $digit = 0;
                    593:     foreach my $letter ('A'..'J') {
                    594: 	$substitution{$letter} = $digit;
                    595: 	$digit++;
                    596:     }
                    597:     #  The substitution is done as below to preserve leading
                    598:     #  zeroes which are needed to keep the code size exact
                    599:     #
                    600:     my $result ="";
                    601:     foreach my $letter (@letters) {
                    602: 	$result.=$substitution{$letter};
                    603:     }
                    604:     return $result;
                    605: }
                    606: 
1.383     foxr      607: #  Determine if a code is a valid numeric code.  Valid
                    608: #  numeric codes must be comprised entirely of digits and
1.384     albertel  609: #  have a correct number of digits.
1.383     foxr      610: #
                    611: #  Parameters:
                    612: #     value      - proposed code value.
1.384     albertel  613: #     num_digits - Number of digits required.
1.383     foxr      614: #
                    615: sub is_valid_numeric_code {
1.384     albertel  616:     my ($value, $num_digits) = @_;
1.383     foxr      617:     #   Remove leading/trailing whitespace;
1.387     foxr      618:     $value =~ s/^\s*//g;
                    619:     $value =~ s/\s*$//g;
1.383     foxr      620:     
                    621:     #  All digits?
1.387     foxr      622:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      623: 	return "Numeric code $value has invalid characters - must only be digits";
                    624:     }
1.384     albertel  625:     if (length($value) != $num_digits) {
                    626: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    627:     }
1.385     foxr      628:     return undef;
1.383     foxr      629: }
                    630: #   Determines if a code is a valid alhpa code.  Alpha codes
                    631: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  632: #   They also have a correct digit count.
1.383     foxr      633: # Parameters:
                    634: #     value          - Proposed code value.
1.384     albertel  635: #     num_letters    - correct number of letters.
1.383     foxr      636: # Note:
                    637: #    leading and trailing whitespace are ignored.
                    638: #
                    639: sub is_valid_alpha_code {
1.384     albertel  640:     my ($value, $num_letters) = @_;
1.383     foxr      641:     
                    642:      # strip leading and trailing spaces.
                    643: 
                    644:     $value =~ s/^\s*//g;
                    645:     $value =~ s/\s*$//g;
                    646: 
                    647:     #  All alphas in the right range?
1.384     albertel  648:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      649: 	return "Invalid letter code $value must only contain A-J";
                    650:     }
1.384     albertel  651:     if (length($value) != $num_letters) {
                    652: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    653:     }
1.385     foxr      654:     return undef;
1.383     foxr      655: }
                    656: 
1.382     foxr      657: #   Determine if a code entered by the user in a helper is valid.
                    658: #   valid depends on the code type and the type of code selected.
                    659: #   The type of code selected can either be numeric or 
                    660: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    661: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    662: #   We'll be nice and be case insensitive for alpha codes.
                    663: # Parameters:
                    664: #    code_value    - the value of the code the user typed in.
                    665: #    code_option   - The code type selected from the set in the scantron format
                    666: #                    table.
                    667: # Returns:
                    668: #    undef         - The code is valid.
                    669: #    other         - An error message indicating what's wrong.
                    670: #
                    671: sub is_code_valid {
                    672:     my ($code_value, $code_option) = @_;
1.383     foxr      673:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   674:     my @lines = &Apache::grades::get_scantronformat_file();
                    675:     foreach my $line (@lines) {
1.383     foxr      676: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    677: 	if($name eq $code_option) {
                    678: 	    $code_length = $length;
                    679: 	    if($type eq 'number') {
                    680: 		$code_type = 'number';
                    681: 	    }
                    682: 	}
                    683:     }
                    684:     my $valid;
                    685:     if ($code_type eq 'number') {
1.385     foxr      686: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      687:     } else {
1.385     foxr      688: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      689:     }
1.382     foxr      690: 
                    691: }
                    692: 
1.341     foxr      693: #   Compare two students by name.  The students are in the form
                    694: #   returned by the helper:
                    695: #      user:domain:section:last,   first:status
                    696: #   This is a helper function for the perl sort built-in  therefore:
                    697: # Implicit Inputs:
                    698: #    $a     - The first element to compare (global)
                    699: #    $b     - The second element to compare (global)
                    700: # Returns:
                    701: #   -1   - $a < $b
                    702: #    0   - $a == $b
                    703: #   +1   - $a > $b
                    704: #   Note that the initial comparison is done on the last names with the
                    705: #   first names only used to break the tie.
                    706: #
                    707: #
                    708: sub compare_names {
                    709:     #  First split the names up into the primary fields.
                    710: 
                    711:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    712:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    713: 
                    714:     # Now split the last name and first name of each n:
                    715:     #
                    716: 
                    717:     my ($l1,$f1) = split(/,/, $n1);
                    718:     my ($l2,$f2) = split(/,/, $n2);
                    719: 
                    720:     # We don't bother to remove the leading/trailing whitespace from the
                    721:     # firstname, unless the last names compare identical.
                    722: 
                    723:     if($l1 lt $l2) {
                    724: 	return -1;
                    725:     }
                    726:     if($l1 gt $l2) {
                    727: 	return  1;
                    728:     }
                    729: 
                    730:     # Break the tie on the first name, but there are leading (possibly trailing
                    731:     # whitespaces to get rid of first 
                    732:     #
                    733:     $f1 =~ s/^\s+//;		# Remove leading...
                    734:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    735:     
                    736:     $f2 =~ s/^\s+//;
                    737:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    738: 
                    739:     if($f1 lt $f2) {
                    740: 	return -1;
                    741:     }
                    742:     if($f1 gt $f2) {
                    743: 	return 1;
                    744:     }
                    745:     
                    746:     #  Must be the same name.
                    747: 
                    748:     return 0;
                    749: }
                    750: 
1.71      sakharuk  751: sub latex_header_footer_remove {
                    752:     my $text = shift;
                    753:     $text =~ s/\\end{document}//;
                    754:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    755:     return $text;
                    756: }
1.423     foxr      757: #
                    758: #  If necessary, encapsulate text inside 
                    759: #  a minipage env.
                    760: #  necessity is determined by the problem_split param.
                    761: #
                    762: sub encapsulate_minipage {
                    763:     my ($text) = @_;
1.427     albertel  764:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      765: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    766:     }
                    767:     return $text;
                    768: }
1.429     foxr      769: #
                    770: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    771: #  variables interact, this sub looks at these two parameters
                    772: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    773: #     all     - if SPLIT_PDFS eq 'all'.
                    774: #     1       - if SPLIT_PDFS eq 'oneper'
                    775: #     section - if SPLIT_PDFS eq 'sections'
                    776: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    777: #
                    778: sub adjust_number_to_print {
                    779:     my $helper = shift;
1.71      sakharuk  780: 
1.429     foxr      781:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    782:     
                    783:     if ($split_pdf eq 'all') {
                    784: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    785:     } elsif ($split_pdf eq 'oneper') {
                    786: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    787:     } elsif ($split_pdf eq 'sections') {
                    788: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    789:     } elsif ($split_pdf eq 'usenumber') {
                    790: 	#  Unmodified.
                    791:     } else {
                    792: 	# Error!!!!
1.536     foxr      793: 	
                    794: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      795: 
                    796:     }
                    797: }
1.71      sakharuk  798: 
1.531     foxr      799: 
1.37      sakharuk  800: sub character_chart {
1.531     foxr      801:     my $result = shift;
                    802:     return  &Apache::entities::replace_entities($result);
                    803: }
                    804: 
                    805: sub old_character_chart {
1.37      sakharuk  806:     my $result = shift;	
1.116     sakharuk  807:     $result =~ s/&\#0?0?(7|9);//g;
                    808:     $result =~ s/&\#0?(10|13);//g;
                    809:     $result =~ s/&\#0?32;/ /g;
                    810:     $result =~ s/&\#0?33;/!/g;
                    811:     $result =~ s/&(\#0?34|quot);/\"/g;
                    812:     $result =~ s/&\#0?35;/\\\#/g;
                    813:     $result =~ s/&\#0?36;/\\\$/g;
                    814:     $result =~ s/&\#0?37;/\\%/g; 
                    815:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    816:     $result =~ s/&\#(0?39|146);/\'/g;
                    817:     $result =~ s/&\#0?40;/(/g;
                    818:     $result =~ s/&\#0?41;/)/g;
                    819:     $result =~ s/&\#0?42;/\*/g;
                    820:     $result =~ s/&\#0?43;/\+/g;
                    821:     $result =~ s/&\#(0?44|130);/,/g;
                    822:     $result =~ s/&\#0?45;/-/g;
                    823:     $result =~ s/&\#0?46;/\./g;
                    824:     $result =~ s/&\#0?47;/\//g;
                    825:     $result =~ s/&\#0?48;/0/g;
                    826:     $result =~ s/&\#0?49;/1/g;
                    827:     $result =~ s/&\#0?50;/2/g;
                    828:     $result =~ s/&\#0?51;/3/g;
                    829:     $result =~ s/&\#0?52;/4/g;
                    830:     $result =~ s/&\#0?53;/5/g;
                    831:     $result =~ s/&\#0?54;/6/g;
                    832:     $result =~ s/&\#0?55;/7/g;
                    833:     $result =~ s/&\#0?56;/8/g;
                    834:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  835:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  836:     $result =~ s/&\#0?59;/;/g;
                    837:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  838:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    839:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  840:     $result =~ s/&\#0?63;/\?/g;
                    841:     $result =~ s/&\#0?65;/A/g;
                    842:     $result =~ s/&\#0?66;/B/g;
                    843:     $result =~ s/&\#0?67;/C/g;
                    844:     $result =~ s/&\#0?68;/D/g;
                    845:     $result =~ s/&\#0?69;/E/g;
                    846:     $result =~ s/&\#0?70;/F/g;
                    847:     $result =~ s/&\#0?71;/G/g;
                    848:     $result =~ s/&\#0?72;/H/g;
                    849:     $result =~ s/&\#0?73;/I/g;
                    850:     $result =~ s/&\#0?74;/J/g;
                    851:     $result =~ s/&\#0?75;/K/g;
                    852:     $result =~ s/&\#0?76;/L/g;
                    853:     $result =~ s/&\#0?77;/M/g;
                    854:     $result =~ s/&\#0?78;/N/g;
                    855:     $result =~ s/&\#0?79;/O/g;
                    856:     $result =~ s/&\#0?80;/P/g;
                    857:     $result =~ s/&\#0?81;/Q/g;
                    858:     $result =~ s/&\#0?82;/R/g;
                    859:     $result =~ s/&\#0?83;/S/g;
                    860:     $result =~ s/&\#0?84;/T/g;
                    861:     $result =~ s/&\#0?85;/U/g;
                    862:     $result =~ s/&\#0?86;/V/g;
                    863:     $result =~ s/&\#0?87;/W/g;
                    864:     $result =~ s/&\#0?88;/X/g;
                    865:     $result =~ s/&\#0?89;/Y/g;
                    866:     $result =~ s/&\#0?90;/Z/g;
                    867:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  868:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  869:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  870:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  871:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    872:     $result =~ s/&\#(0?96|145);/\`/g;
                    873:     $result =~ s/&\#0?97;/a/g;
                    874:     $result =~ s/&\#0?98;/b/g;
                    875:     $result =~ s/&\#0?99;/c/g;
                    876:     $result =~ s/&\#100;/d/g;
                    877:     $result =~ s/&\#101;/e/g;
                    878:     $result =~ s/&\#102;/f/g;
                    879:     $result =~ s/&\#103;/g/g;
                    880:     $result =~ s/&\#104;/h/g;
                    881:     $result =~ s/&\#105;/i/g;
                    882:     $result =~ s/&\#106;/j/g;
                    883:     $result =~ s/&\#107;/k/g;
                    884:     $result =~ s/&\#108;/l/g;
                    885:     $result =~ s/&\#109;/m/g;
                    886:     $result =~ s/&\#110;/n/g;
                    887:     $result =~ s/&\#111;/o/g;
                    888:     $result =~ s/&\#112;/p/g;
                    889:     $result =~ s/&\#113;/q/g;
                    890:     $result =~ s/&\#114;/r/g;
                    891:     $result =~ s/&\#115;/s/g;
                    892:     $result =~ s/&\#116;/t/g;
                    893:     $result =~ s/&\#117;/u/g;
                    894:     $result =~ s/&\#118;/v/g;
                    895:     $result =~ s/&\#119;/w/g;
                    896:     $result =~ s/&\#120;/x/g;
                    897:     $result =~ s/&\#121;/y/g;
                    898:     $result =~ s/&\#122;/z/g;
                    899:     $result =~ s/&\#123;/\\{/g;
                    900:     $result =~ s/&\#124;/\|/g;
                    901:     $result =~ s/&\#125;/\\}/g;
                    902:     $result =~ s/&\#126;/\~/g;
                    903:     $result =~ s/&\#131;/\\textflorin /g;
                    904:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  905:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    906:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    907:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  908:     $result =~ s/&\#137;/\\textperthousand /g;
                    909:     $result =~ s/&\#140;/{\\OE}/g;
                    910:     $result =~ s/&\#147;/\`\`/g;
                    911:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  912:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  913:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  914:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  915:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  916:     $result =~ s/&\#153;/\\texttrademark /g;
                    917:     $result =~ s/&\#156;/\\oe/g;
                    918:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  919:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  920:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    921:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    922:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    923:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    924:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    925:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    926:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      927:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  928:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    929:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  930:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  931:     $result =~ s/&(\#173|shy);/ - /g;
                    932:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  933:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    934:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    935:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    936:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    937:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      938:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  939:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  940:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  941:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  942:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  943:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  944:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    945:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    946:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    947:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    948:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    949:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    950:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    951:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    952:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    953:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    954:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    955:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    956:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    957:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    958:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    959:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    960:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    961:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    962:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    963:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    964:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    965:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    966:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    967:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    968:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    969:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    970:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  971:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  972:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    973:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    974:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    975:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    976:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    977:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  978:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  979:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    980:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    981:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    982:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    983:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    984:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    985:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    986:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    987:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    988:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    989:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    990:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    991:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    992:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    993:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    994:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  995:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  996:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    997:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    998:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    999:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1000:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1001:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1002:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1003:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1004:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1005:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1006:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1007:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1008:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1009:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1010:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1011:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1012: #Greek Alphabet
1.281     sakharuk 1013:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1014:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1015:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1016:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1017:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1018:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1019:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1020:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1021:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1022:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1023:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1024:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1025:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1026:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1027:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1028:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1029:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1030:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1031:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1032:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1033:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1034:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1035:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1036:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1037:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1038:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1039:     $result =~ s/&(Alpha|\#913);/A/g;
                   1040:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1041:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1042:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1043:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1044:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1045:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1046:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1047:     $result =~ s/&(Iota|\#921);/I/g;
                   1048:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1049:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1050:     $result =~ s/&(Mu|\#924);/M/g;
                   1051:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1052:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1054:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1055:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1056:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1057:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1058:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1059:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1060:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1061:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1062:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1063: #Arrows (extended HTML 4.01)
1.281     sakharuk 1064:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1065:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1066:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1067:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1068:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1069:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1070:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1071:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1072:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1073:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1074: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1075:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1076:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1077:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1078:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1079:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1080:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1081:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1082:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1083:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1084:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1085:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1086:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1087:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1088:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1089:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1090:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1091:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1092:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1093:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1094:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1095:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1096:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1097:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1098:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1099:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1100:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1101:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1102:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1103:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1104:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1105:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1106:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1107:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1108:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1109:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1110:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1111:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1112:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1113: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1114:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1115: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1116:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1117:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1118:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1119:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1120: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1121: 
1.495     foxr     1122:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1123:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1124:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1125:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1126:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1127:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1128:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1129:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1130:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1131:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1132:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1133:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1134:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1135: 
                   1136:     # Left/right quotations:
                   1137: 
                   1138:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1139:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1140: 
                   1141: 
1.559     foxr     1142: 
1.37      sakharuk 1143:     return $result;
                   1144: }
1.41      sakharuk 1145: 
                   1146: 
1.327     albertel 1147:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1148: my %page_formats=
                   1149:     ('letter' => {
                   1150: 	 'book' => {
1.493     foxr     1151: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1152: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1153: 	 },
                   1154: 	 'album' => {
1.496     foxr     1155: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1156: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1157: 	 },
                   1158:      },
                   1159:      'legal' => {
                   1160: 	 'book' => {
                   1161: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1162: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1163: 	 },
                   1164: 	 'album' => {
1.376     albertel 1165: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1166:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1167:           },
                   1168:      },
                   1169:      'tabloid' => {
                   1170: 	 'book' => {
                   1171: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1172: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1173: 	 },
                   1174: 	 'album' => {
1.376     albertel 1175: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1176: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1177:           },
                   1178:      },
                   1179:      'executive' => {
                   1180: 	 'book' => {
                   1181: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1182: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1183: 	 },
                   1184: 	 'album' => {
                   1185: 	     '1' => [],
                   1186: 	     '2' => []
                   1187:           },
                   1188:      },
                   1189:      'a2' => {
                   1190: 	 'book' => {
                   1191: 	     '1' => [],
                   1192: 	     '2' => []
                   1193: 	 },
                   1194: 	 'album' => {
                   1195: 	     '1' => [],
                   1196: 	     '2' => []
                   1197:           },
                   1198:      },
                   1199:      'a3' => {
                   1200: 	 'book' => {
                   1201: 	     '1' => [],
                   1202: 	     '2' => []
                   1203: 	 },
                   1204: 	 'album' => {
                   1205: 	     '1' => [],
                   1206: 	     '2' => []
                   1207:           },
                   1208:      },
                   1209:      'a4' => {
                   1210: 	 'book' => {
1.493     foxr     1211: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1212: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1213: 	 },
                   1214: 	 'album' => {
1.496     foxr     1215: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1216: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1217: 	 },
                   1218:      },
                   1219:      'a5' => {
                   1220: 	 'book' => {
                   1221: 	     '1' => [],
                   1222: 	     '2' => []
                   1223: 	 },
                   1224: 	 'album' => {
                   1225: 	     '1' => [],
                   1226: 	     '2' => []
                   1227:           },
                   1228:      },
                   1229:      'a6' => {
                   1230: 	 'book' => {
                   1231: 	     '1' => [],
                   1232: 	     '2' => []
                   1233: 	 },
                   1234: 	 'album' => {
                   1235: 	     '1' => [],
                   1236: 	     '2' => []
                   1237:           },
                   1238:      },
                   1239:      );
                   1240: 
1.177     sakharuk 1241: sub page_format {
1.140     sakharuk 1242: #
1.326     sakharuk 1243: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1244: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1245: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1246: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1247: #                        "A6 [105x148 mm]"
1.140     sakharuk 1248: # 
                   1249:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1250:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1251: }
1.76      sakharuk 1252: 
                   1253: 
1.126     albertel 1254: sub get_name {
                   1255:     my ($uname,$udom)=@_;
1.373     albertel 1256:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1257:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1258:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1259:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1260:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1261:     return $plainname;
1.126     albertel 1262: }
                   1263: 
1.213     albertel 1264: sub get_course {
                   1265:     my $courseidinfo;
1.373     albertel 1266:     if (defined($env{'request.course.id'})) {
1.439     www      1267: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1268: 	my $sec = $env{'request.course.sec'};
                   1269: 	    
1.213     albertel 1270:     }
                   1271:     return $courseidinfo;
                   1272: }
1.177     sakharuk 1273: 
1.76      sakharuk 1274: sub page_format_transformation {
1.312     sakharuk 1275:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1276:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1277: 
1.312     sakharuk 1278:     if ($selectionmade eq '4') {
1.502     foxr     1279: 	if ($choice eq 'all_problems') {
1.561     bisitz   1280:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1281: 	} else {
1.561     bisitz   1282:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1283: 	}
1.312     sakharuk 1284:     } else {
                   1285: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1286:     }
1.261     sakharuk 1287:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1288: 
                   1289: 
1.126     albertel 1290:     my $name = &get_name();
1.213     albertel 1291:     my $courseidinfo = &get_course();
1.455     albertel 1292:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1293:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1294: 					   $courseidinfo, $name);
1.319     sakharuk 1295:     my $topmargintoinsert = '';
                   1296:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1297:     my $fancypagestatement='';
                   1298:     if ($numberofcolumns eq '2') {
1.455     albertel 1299: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1300:     } else {
1.455     albertel 1301: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1302:     }
1.140     sakharuk 1303:     if ($layout eq 'album') {
1.550     foxr     1304: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1305:     } elsif ($layout eq 'book') {
                   1306: 	if ($choice ne 'All class print') { 
1.550     foxr     1307: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk 1308: 	} else {
1.550     foxr     1309: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1310: 	}
1.326     sakharuk 1311: 	if ($papersize eq 'a4') {
1.319     sakharuk 1312: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk 1313: 	}
                   1314:     }
1.214     sakharuk 1315:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1316:     if ($indexlist eq 'yes') {
                   1317: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1318: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1319:     }
1.140     sakharuk 1320:     return $text;
                   1321: }
                   1322: 
                   1323: 
1.33      sakharuk 1324: sub page_cleanup {
                   1325:     my $result = shift;	
1.65      sakharuk 1326:  
                   1327:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1328:     my $number_of_columns = $1;
1.33      sakharuk 1329:     my $insert = '{';
1.34      sakharuk 1330:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1331:     $insert .= '}';
1.65      sakharuk 1332:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1333:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1334:     return $result,$number_of_columns;
1.7       sakharuk 1335: }
1.5       sakharuk 1336: 
1.3       sakharuk 1337: 
1.60      sakharuk 1338: sub details_for_menu {
1.335     albertel 1339:     my ($helper)=@_;
1.373     albertel 1340:     my $postdata=$env{'form.postdata'};
1.335     albertel 1341:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1342:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1343:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1344:     return if ( $symbolic eq '');
                   1345: 
1.233     www      1346:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1347:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1348:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1349:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1350: 	$map =~ m|([^/]+)$|;
                   1351: 	$name_of_sequence = $1;
1.63      albertel 1352:     }
1.373     albertel 1353:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1354:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1355: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1356: 	$name_of_map = $1;
                   1357:     }
1.335     albertel 1358:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1359: }
                   1360: 
1.476     albertel 1361: sub copyright_line {
                   1362:     return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
                   1363: }
                   1364: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1365: 
                   1366: sub latex_corrections {
1.408     albertel 1367:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1368: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1369:     my $copyright = &copyright_line();
1.408     albertel 1370:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1371: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1372:     } else {
1.476     albertel 1373: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1374:     }
1.476     albertel 1375:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1376:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1377:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1378: #-- LaTeX corrections     
                   1379:     my $first_comment = index($result,'<!--',0);
                   1380:     while ($first_comment != -1) {
                   1381: 	my $end_comment = index($result,'-->',$first_comment);
                   1382: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1383: 	$first_comment = index($result,'<!--',$first_comment);
                   1384:     }
                   1385:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1386:     #removes more than one empty space
                   1387:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1388:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1389:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1390:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1391:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1392:     #conversion of html characters to LaTeX equivalents
                   1393:     if ($result =~ m/&(\w+|#\d+);/) {
                   1394: 	$result = &character_chart($result);
                   1395:     }
                   1396:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1397:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1398:     return $result;
1.60      sakharuk 1399: }
                   1400: 
1.3       sakharuk 1401: 
1.214     sakharuk 1402: sub index_table {
                   1403:     my $currentURL = shift;
                   1404:     my $insex_string='';
                   1405:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1406:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1407:     return $insex_string;
                   1408: }
                   1409: 
                   1410: 
1.215     sakharuk 1411: sub IndexCreation {
                   1412:     my ($texversion,$currentURL)=@_;
                   1413:     my @key_words=split(/,/,&index_table($currentURL));
                   1414:     my $chunk='';
                   1415:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1416:     if ($st>0) {
                   1417: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1418: 	$chunk=substr($texversion,0,$st+1);
                   1419: 	substr($texversion,0,$st+1)=' ';
                   1420:     }
                   1421:     foreach my $key_word (@key_words) {
                   1422: 	if ($key_word=~/\S+/) {
                   1423: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1424: 	}
                   1425:     }			
                   1426:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1427:     return $texversion;
                   1428: }
                   1429: 
1.242     sakharuk 1430: sub print_latex_header {
                   1431:     my $mode=shift;
1.550     foxr     1432: 
                   1433:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1434: }
                   1435: 
                   1436: sub path_to_problem {
1.328     albertel 1437:     my ($urlp,$colwidth)=@_;
1.404     albertel 1438:     $urlp=&Apache::lonnet::clutter($urlp);
                   1439: 
1.242     sakharuk 1440:     my $newurlp = '';
1.328     albertel 1441:     $colwidth=~s/\s*mm\s*$//;
                   1442: #characters average about 2 mm in width
1.360     albertel 1443:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1444: 	my @elements = split('/',$urlp);
1.328     albertel 1445: 	my $curlength=0;
                   1446: 	foreach my $element (@elements) {
1.404     albertel 1447: 	    if ($element eq '') { next; }
1.328     albertel 1448: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1449: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1450: 		$curlength=length($element)*2;
1.328     albertel 1451: 	    } else {
                   1452: 		$curlength+=length($element)*2;
1.242     sakharuk 1453: 	    }
1.328     albertel 1454: 	    $newurlp.='/'.$element;
1.242     sakharuk 1455: 	}
1.253     sakharuk 1456:     } else {
                   1457: 	$newurlp=$urlp;
1.242     sakharuk 1458:     }
                   1459:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1460: }
1.215     sakharuk 1461: 
1.275     sakharuk 1462: sub recalcto_mm {
                   1463:     my $textwidth=shift;
                   1464:     my $LaTeXwidth;
1.339     albertel 1465:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1466: 	$LaTeXwidth = $1*10;
1.339     albertel 1467:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1468: 	$LaTeXwidth = $1;
1.339     albertel 1469:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1470: 	$LaTeXwidth = $1*25.4;
                   1471:     }
                   1472:     $LaTeXwidth.=' mm';
                   1473:     return $LaTeXwidth;
                   1474: }
                   1475: 
1.285     albertel 1476: sub get_textwidth {
                   1477:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1478:     my $textwidth=$LaTeXwidth;
1.285     albertel 1479:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1480: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1481: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1482: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1483:     }
1.286     albertel 1484:     return $textwidth;
1.285     albertel 1485: }
                   1486: 
1.296     sakharuk 1487: 
                   1488: sub unsupported {
1.414     albertel 1489:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1490:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1491:     my $result.= &print_latex_header($mode);
1.414     albertel 1492:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1493: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1494: 	my $title=&Apache::lonnet::gettitle($symb);
                   1495: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1496: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1497:     } else {
                   1498: 	$result.=$currentURL;
                   1499:     }
1.419     albertel 1500:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1501:     return $result;
                   1502: }
                   1503: 
1.559     foxr     1504: #
                   1505: #  Map from helper layout style to the book/album:
                   1506: #
                   1507: sub map_laystyle {
                   1508:     my ($laystyle) = @_;
                   1509:     if ($laystyle eq 'L') {
                   1510: 	$laystyle='album';
                   1511:     } else {
                   1512: 	$laystyle='book';
                   1513:     }
                   1514:     return $laystyle;
                   1515: }
                   1516: 
                   1517: sub print_page_in_course {
                   1518:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1519:     my %parmhash       = %$rparmhash;
                   1520:     my @page_resources = @$resources;
                   1521:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1522:     my $symb = $helper->{'VARS'}->{'symb'};
                   1523: 
                   1524: 
                   1525:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1526: 
                   1527: 
                   1528:     my @temporary_array=split /\|/,$format_from_helper;
                   1529:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1530:     $laystyle = &map_laystyle($laystyle);
                   1531:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1532: 								      $numberofcolumns);
                   1533:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1534: 
                   1535: 
                   1536:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1537:     my $result   =    &print_latex_header($mode);
1.559     foxr     1538:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1539: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1540: 	my $title=&Apache::lonnet::gettitle($symb);
                   1541: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1542:     } else {
                   1543: 	$result.=$currentURL;
                   1544:     }
                   1545:     $result .= '\\\\';
                   1546: 
                   1547:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1548: 	&Apache::lonnet::appenv({'construct.style' =>
                   1549: 				$helper->{'VARS'}->{'style_file'}});
                   1550:     } elsif ($env{'construct.style'}) {
                   1551: 	&Apache::lonnet::delenv('construct.style');
                   1552:     }
                   1553: 
                   1554:     # First is the overall page description.  This is then followed by the 
                   1555:     # components of the page. Each of which must be printed independently.
1.564     foxr     1556:     my $the_page = shift(@page_resources); 
1.559     foxr     1557: 
                   1558: 
                   1559:     foreach my $resource (@page_resources) {
                   1560: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1561: 	$result           .= $resource->title() . '\\\\';
                   1562: 
                   1563: 	# Recurse if a .page:
                   1564: 
                   1565: 	if ($resource_src =~ /.page$/i) {
                   1566: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1567: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1568: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1569: 						       $resource_src, \@page_resources);
                   1570: 	}
                   1571: 	# these resources go through the XML transformer:
                   1572: 
                   1573: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/)  {		
                   1574: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1575: 	    my %form;
                   1576: 	    my %moreenv;
                   1577: 
                   1578: 	    &Apache::lonxml::remember_problem_counter();
                   1579: 	    $moreenv{'request.filename'}=$urlp;
                   1580: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1581: 
                   1582: 	    $form{'grade_target'}  = 'tex';
                   1583: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
                   1584: 	    $form{'pdfFormFiels'} = $pdfFormFields; # 
                   1585: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1586: 	    
                   1587: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1588: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1589: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1590: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1591: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1592: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1593: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1594: 		$form{'problem_split'}='yes';
                   1595: 	    }
                   1596: 	    my $rndseed = time;
                   1597: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1598: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1599: 	    }
                   1600: 	    $form{'rndseed'}=$rndseed;
                   1601: 	    &Apache::lonnet::appenv(\%moreenv);
                   1602: 	    
                   1603: 	    &Apache::lonxml::clear_problem_counter();
                   1604: 
                   1605: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1606: 
                   1607: 
                   1608: 	    # current document with answers.. no need to encap in minipage
                   1609: 	    #  since there's only one answer.
                   1610: 
                   1611: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1612: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1613: 		my %answerform = %form;
                   1614: 
                   1615: 
                   1616: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1617: 		$answerform{'grade_target'}='answer';
                   1618: 		$answerform{'answer_output_mode'}='tex';
                   1619: 		$answerform{'rndseed'}=$rndseed;
                   1620:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1621: 		    $answerform{'problemtype'}='exam';
                   1622: 		}
                   1623: 		$resources_printed .= $urlp.':';
                   1624: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1625: 
                   1626: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1627: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1628: 		} else {
1.562     foxr     1629: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1630: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1631: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1632: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1633: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1634: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1635: 		    } else {
                   1636: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1637: 			my $URLpath=$urlp;
                   1638: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1639: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1640: 		    }
                   1641: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1642: 		}
                   1643: 
                   1644: 
                   1645: 		
                   1646: 
                   1647: 	    
                   1648: 	    }
                   1649: 	    # Print annotations.
                   1650: 
                   1651: 
                   1652: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1653: 		my $annotation .= &annotate($currentURL);
                   1654: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1655: 	    }
                   1656: 	    
                   1657: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1658: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1659: 	    }
                   1660: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1661: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1662: 
                   1663: 	    }
1.562     foxr     1664: 	    $texversion = &latex_header_footer_remove($texversion);
                   1665: 
                   1666: 	    # the first remaining line is a comment from londefdef the second
                   1667: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1668:             # (imperfect removal from header_footer_remove?
                   1669: 
                   1670: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1671: 
1.559     foxr     1672: 	    $result .= $texversion;
                   1673: 	    if ($currentURL=~m/\.page\s*$/) {
                   1674: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1675: 	    }
                   1676: 	}
                   1677:     }
                   1678: 
                   1679:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1680:     return $result;
                   1681: }
                   1682: 
1.296     sakharuk 1683: 
1.363     foxr     1684: #
1.395     www      1685: # List of recently generated print files
                   1686: #
                   1687: sub recently_generated {
                   1688:     my $r=shift;
                   1689:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1690:     my $zip_result;
                   1691:     my $pdf_result;
1.395     www      1692:     opendir(DIR,$prtspool);
1.400     albertel 1693: 
                   1694:     my @files = 
                   1695: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1696:     closedir(DIR);
1.400     albertel 1697: 
                   1698:     @files = sort {
                   1699: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1700: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1701: 	return $bctime <=> $actime;
                   1702:     } (@files);
                   1703: 
                   1704:     foreach my $filename (@files) {
                   1705: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1706: 	my ($cdev,$cino,$cmode,$cnlink,
                   1707: 	    $cuid,$cgid,$crdev,$csize,
                   1708: 	    $catime,$cmtime,$cctime,
                   1709: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1710:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1711: 	my $result=&Apache::loncommon::start_data_table_row()
                   1712:                   .'<td>'
                   1713:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1714:                   .'</td>'
                   1715:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1716:                   .'<td align="right">'.$csize.'</td>'
                   1717:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1718: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1719: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1720:     }
1.544     bisitz   1721:     if ($zip_result || $pdf_result) {
                   1722:         $r->print('<hr />');
                   1723:     }
1.400     albertel 1724:     if ($zip_result) {
1.544     bisitz   1725: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1726:                   .&Apache::loncommon::start_data_table()
                   1727:                   .&Apache::loncommon::start_data_table_header_row()
                   1728:                   .'<th>'.&mt('Download').'</th>'
                   1729:                   .'<th>'.&mt('Creation Date').'</th>'
                   1730:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1731:                   .&Apache::loncommon::end_data_table_header_row()
                   1732:                   .$zip_result
                   1733:                   .&Apache::loncommon::end_data_table()
                   1734:         );
1.400     albertel 1735:     }
                   1736:     if ($pdf_result) {
1.544     bisitz   1737: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1738:                   .&Apache::loncommon::start_data_table()
                   1739:                   .&Apache::loncommon::start_data_table_header_row()
                   1740:                   .'<th>'.&mt('Download').'</th>'
                   1741:                   .'<th>'.&mt('Creation Date').'</th>'
                   1742:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1743:                   .&Apache::loncommon::end_data_table_header_row()
                   1744:                   .$pdf_result
                   1745:                   .&Apache::loncommon::end_data_table()
                   1746:         );
1.396     albertel 1747:     }
1.395     www      1748: }
                   1749: 
                   1750: #
1.363     foxr     1751: #   Retrieve the hash of page breaks.
                   1752: #
                   1753: #  Inputs:
                   1754: #    helper   - reference to helper object.
                   1755: #  Outputs
                   1756: #    A reference to a page break hash.
                   1757: #
                   1758: #
1.562     foxr     1759: # use Data::Dumper;
1.569   ! foxr     1760: # sub dump_helper_vars {
1.418     foxr     1761: #    my ($helper) = @_;
                   1762: #    my $helpervars = Dumper($helper->{'VARS'});
                   1763: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1764: #}
1.363     foxr     1765: 
1.481     albertel 1766: sub get_page_breaks  {
                   1767:     my ($helper) = @_;
                   1768:     my %page_breaks;
                   1769: 
                   1770:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1771: 	$page_breaks{$break} = 1;
                   1772:     }
                   1773:     return %page_breaks;
                   1774: }
1.569   ! foxr     1775: # 
        !          1776: #   Returns text to insert for any extra vskip prior to the resource.
        !          1777: #   Parameters:
        !          1778: #     helper   - Reference to the helper object driving the printout.
        !          1779: #     resource - Identifies the resource about to be printed.
        !          1780: #
        !          1781: #   This is done as follows:
        !          1782: #    POSSIBLE_RESOURCES has the list of possible resources.
        !          1783: #    EXTRASPACE         has the list of extra space values.
        !          1784: #    
        !          1785: #    The resource is found in the POSSIBLE_RESOURCES to get the index
        !          1786: #    of the EXTRASPACE value.
        !          1787: #
        !          1788: #   In order to speed this up for lengthy printouts, the first time,
        !          1789: #   POSSIBLE_RESOURCES is turned into a look up hash and
        !          1790: #   EXTRASPACE is turned into an array.
        !          1791: #
        !          1792: 
        !          1793: 
        !          1794: my %possible_resources;
        !          1795: my @extraspace;
        !          1796: my $skips_loaded       = 0;
        !          1797: 
        !          1798: #  Function to load the skips hash and array
        !          1799: 
        !          1800: sub load_skips {
        !          1801: 
        !          1802:     my ($helper)  = @_;
        !          1803: 
        !          1804:     #  If this is the first time, unrap the resources and extra spaces:
        !          1805: 
        !          1806:     if (!$skips_loaded) {
        !          1807: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
        !          1808: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
        !          1809: 	my $i = 0;
        !          1810: 	foreach my $resource (@resource_list) {
        !          1811: 	    $possible_resources{$resource} = $i;
        !          1812: 	    $i++;
        !          1813: 	}
        !          1814: 	$skips_loaded = 1;
        !          1815:     }
        !          1816: }
        !          1817: 
        !          1818: sub get_extra_vspaces {
        !          1819:     my ($helper, $resource) = @_;
        !          1820: 
        !          1821:     &load_skips($helper);
        !          1822: 
        !          1823:     #  Lookup the resource in the possible resources hash.. that is the index
        !          1824:     # into the extraspace array that gives us either an empty string or
        !          1825:     # the number of mm to skip:
        !          1826: 
        !          1827:     my $index = $possible_resources{$resource};
        !          1828:     my $skip  = $extraspace[$index];
        !          1829: 
        !          1830:     my $result = '';
        !          1831:     if ($skip ne '') {
        !          1832: 	$result = '\vskip '.$skip.' mm';
        !          1833:     }
        !          1834:     return $result;
        !          1835: 
        !          1836: 
        !          1837: }
        !          1838: 
        !          1839: #
        !          1840: #  The resource chooser part of the helper needs more than just
        !          1841: #  the value of the extraspaces var to recover the value into a text
        !          1842: #  field option.  This sub produces the required format for the saved var:
        !          1843: #  specifically 
        !          1844: #    ||| separated fields of the form resourcename=value
        !          1845: #
        !          1846: #  Parameters:
        !          1847: #    $helper     - Refers to the helper we are configuring
        !          1848: #  Implicit input:
        !          1849: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
        !          1850: #                                          value.
        !          1851: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
        !          1852: #                                          separated of course.
        !          1853: #  Implicit outputs:
        !          1854: #     $env{'form.extrapsace'}
        !          1855: #
        !          1856: sub set_form_extraspace {
        !          1857:     my ($helper) = @_;
        !          1858: 
        !          1859:     # the most convenient way to do this is to drive from the skips arrays/hash.
        !          1860:     # may not be the fastest, but this is once per print request so it's not so
        !          1861:     # speed critical:
        !          1862: 
        !          1863:     &load_skips($helper);
        !          1864: 
        !          1865:     my $result = '';
        !          1866: 
        !          1867:     foreach my $resource (keys(%possible_resources)) {
        !          1868: 	my $vskip = $extraspace[$possible_resources{$resource}];
        !          1869: 	$result  .= $resource .'=' . $vskip . '|||';
        !          1870:     }
        !          1871: 
        !          1872:     $env{'form.extraspace'}  = $result;
        !          1873:     return $result;
        !          1874:     
        !          1875: }
1.363     foxr     1876: 
1.459     foxr     1877: #  Output a sequence (recursively if neeed)
                   1878: #  from construction space.
                   1879: # Parameters:
                   1880: #    url     = URL of the sequence to print.
                   1881: #    helper  - Reference to the helper hash.
                   1882: #    form    - Copy of the format hash.
                   1883: #    LaTeXWidth
                   1884: # Returns:
                   1885: #   Text to add to the printout.
                   1886: #   NOTE if the first element of the outermost sequence
                   1887: #   is itself a sequence, the outermost caller may need to
                   1888: #   prefix the latex with the page headers stuff.
                   1889: #
                   1890: sub print_construction_sequence {
                   1891:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1892:     my $result;
                   1893:     my $rndseed=time;
                   1894:     if ($helper->{'VARS'}->{'curseed'}) {
                   1895: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1896:     }
1.491     albertel 1897:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1898:     # 
                   1899:     #  These make this all support recursing for subsequences.
                   1900:     #
1.491     albertel 1901:     my @order    = @LONCAPA::map::order;
                   1902:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1903:     for (my $member=0;$member<=$#order;$member++) {
                   1904: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1905: 	my $urlp=$2;
                   1906: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1907: 	    my $texversion='';
                   1908: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1909: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1910: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1911: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1912: 		$form{'rndseed'}=$rndseed;
                   1913: 		$resources_printed .=$urlp.':';
1.515     foxr     1914: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1915: 	    }
                   1916: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1917: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1918: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1919: 		#  Don't permanently modify %$form...
                   1920: 		my %answerform = %form;
                   1921: 		$answerform{'grade_target'}='answer';
                   1922: 		$answerform{'answer_output_mode'}='tex';
                   1923: 		$answerform{'rndseed'}=$rndseed;
                   1924: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1925: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1926: 		$resources_printed .= $urlp.':';
1.515     foxr     1927: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1928: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1929: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1930: 		} else {
                   1931: 		    # If necessary, encapsulate answer in minipage:
                   1932: 		    
                   1933: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1934: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1935: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1936: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1937: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1938: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1939: 		    $body = &encapsulate_minipage($body);
                   1940: 		    $texversion.=$body;
                   1941: 		}
                   1942: 	    }
                   1943: 	    $texversion = &latex_header_footer_remove($texversion);
                   1944: 
                   1945: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1946: 		$texversion=&IndexCreation($texversion,$urlp);
                   1947: 	    }
                   1948: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1949: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1950: 	    }
                   1951: 	    $result.=$texversion;
                   1952: 
                   1953: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1954:  
1.459     foxr     1955: 	    # header:
                   1956: 
                   1957: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1958: 
                   1959: 	    # IF sequence, recurse:
                   1960: 	    
                   1961: 	    if ($urlp =~ /\.sequence$/) {
                   1962: 		my $sequence_url = $urlp;
                   1963: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1964: 		my $user         = $env{'user.name'};
                   1965: 
                   1966: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1967: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1968: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1969: 		$result .= &print_construction_sequence($sequence_url, 
                   1970: 							$helper, %form, 
                   1971: 							$LaTeXwidth);
                   1972: 	    }
1.550     foxr     1973: 	}
                   1974: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1975: 	    my $texversion;
                   1976: 	    if ($member != 0) {
                   1977: 		$texversion .= '\cleardoublepage';
                   1978: 	    }
                   1979: 
                   1980: 	    $texversion .= &include_pdf($urlp);
                   1981: 	    $texversion = &latex_header_footer_remove($texversion);
                   1982: 	    if ($member != $#order) {
                   1983: 		$texversion .= '\\ \cleardoublepage';
                   1984: 	    }
1.551     foxr     1985: 	    
                   1986: 	    $result .= $texversion;
1.550     foxr     1987: 	}
1.459     foxr     1988:     }
                   1989:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1990:     return $result;
                   1991: }
                   1992: 
1.177     sakharuk 1993: sub output_data {
1.184     sakharuk 1994:     my ($r,$helper,$rparmhash) = @_;
                   1995:     my %parmhash = %$rparmhash;
1.515     foxr     1996:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1997:     $resources_printed = '';
1.556     foxr     1998:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     1999:     my $do_postprocessing = 1;
1.433     albertel 2000:     my $js = <<ENDPART;
                   2001: <script type="text/javascript">
1.264     sakharuk 2002:     var editbrowser;
                   2003:     function openbrowser(formname,elementname,only,omit) {
                   2004:         var url = '/res/?';
                   2005:         if (editbrowser == null) {
                   2006:             url += 'launch=1&';
                   2007:         }
                   2008:         url += 'catalogmode=interactive&';
                   2009:         url += 'mode=parmset&';
                   2010:         url += 'form=' + formname + '&';
                   2011:         if (only != null) {
                   2012:             url += 'only=' + only + '&';
                   2013:         } 
                   2014:         if (omit != null) {
                   2015:             url += 'omit=' + omit + '&';
                   2016:         }
                   2017:         url += 'element=' + elementname + '';
                   2018:         var title = 'Browser';
                   2019:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2020:         options += ',width=700,height=600';
                   2021:         editbrowser = open(url,title,options,'1');
                   2022:         editbrowser.focus();
                   2023:     }
                   2024: </script>
1.140     sakharuk 2025: ENDPART
                   2026: 
1.512     foxr     2027: 
1.558     bisitz   2028:     # Breadcrumbs
                   2029:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2030:     my $brcrum = [{'href' => '',
                   2031:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2032:                   {'href' => '',
                   2033:                    'text' => 'Preparing Printout'}];
                   2034: 
                   2035:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2036:                                                      $js,
                   2037:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2038:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2039: 
1.433     albertel 2040:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2041: 
1.363     foxr     2042:     # fetch the pagebreaks and store them in the course environment
                   2043:     # The page breaks will be pulled into the hash %page_breaks which is
                   2044:     # indexed by symb and contains 1's for each break.
                   2045: 
1.373     albertel 2046:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569   ! foxr     2047:     &set_form_extraspace($helper);
1.373     albertel 2048:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     2049:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2050: 					      {'pagebreaks'    => 'scalar',
1.569   ! foxr     2051: 					       'extraspace'    => 'scalar',
1.366     foxr     2052: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2053:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2054: 
1.140     sakharuk 2055:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2056:     my ($result,$selectionmade) = ('','');
                   2057:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2058:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2059:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2060: 
                   2061:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2062:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2063:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2064:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2065:     my @print_array=();
1.274     sakharuk 2066:     my @student_names=();
1.360     albertel 2067: 
1.512     foxr     2068:      
1.360     albertel 2069:     #  Common settings for the %form has:
                   2070:     # In some cases these settings get overriddent by specific cases, but the
                   2071:     # settings are common enough to make it worthwhile factoring them out
                   2072:     # here.
                   2073:     #
                   2074:     my %form;
                   2075:     $form{'grade_target'} = 'tex';
                   2076:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2077:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2078: 
                   2079:     # If form.showallfoils is set, then request all foils be shown:
                   2080:     # privilege will be enforced both by not allowing the 
                   2081:     # check box selecting this option to be presnt unless it's ok,
                   2082:     # and by lonresponse's priv. check.
                   2083:     # The if is here because lonresponse.pm only cares that
                   2084:     # showallfoils is defined, not what the value is.
                   2085: 
                   2086:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2087: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2088:     }
1.504     albertel 2089:     
                   2090:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2091: 	&Apache::lonnet::appenv({'construct.style' =>
                   2092: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2093:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2094: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2095:     }
                   2096: 
1.372     foxr     2097: 
1.140     sakharuk 2098:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2099:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2100: 	my ($currentURL,$cleanURL);
1.375     foxr     2101: 
1.162     sakharuk 2102: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2103:             #prints published resource
1.153     sakharuk 2104: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2105: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2106: 	} else {
1.512     foxr     2107: 
1.185     sakharuk 2108:             #prints resource from the construction space
1.240     albertel 2109: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2110: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2111: 	    $cleanURL=$currentURL;
1.143     sakharuk 2112: 	}
1.140     sakharuk 2113: 	$selectionmade = 1;
1.413     albertel 2114: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2115: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2116: 	    my $rndseed=time;
1.242     sakharuk 2117: 	    my $texversion='';
                   2118: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2119: 		my %moreenv;
1.343     albertel 2120: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2121:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2122: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2123: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2124: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2125: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2126: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2127: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2128: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2129: 		    $form{'problem_split'}='yes';
                   2130: 		}
1.242     sakharuk 2131: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2132: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2133: 		}
                   2134: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2135: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2136: 
                   2137: 		&Apache::lonxml::clear_problem_counter();
                   2138: 
1.375     foxr     2139: 		$resources_printed .= $currentURL.':';
1.515     foxr     2140: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2141: 
1.511     foxr     2142: 		#  Add annotations if required:
                   2143: 	    
1.428     albertel 2144: 		&Apache::lonxml::clear_problem_counter();
                   2145: 
1.242     sakharuk 2146: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2147: 	    }
1.423     foxr     2148: 	    # current document with answers.. no need to encap in minipage
                   2149: 	    #  since there's only one answer.
                   2150: 
1.242     sakharuk 2151: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2152: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2153: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2154: 		$form{'grade_target'}='answer';
1.167     albertel 2155: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2156: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2157:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2158: 		    $form{'problemtype'}='exam';
                   2159: 		}
1.375     foxr     2160: 		$resources_printed .= $currentURL.':';
1.515     foxr     2161: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2162: 		
                   2163: 
1.242     sakharuk 2164: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2165: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2166: 		} else {
                   2167: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2168: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2169: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2170: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2171: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2172: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2173: 		    } else {
                   2174: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2175: 			my $URLpath=$cleanURL;
1.245     sakharuk 2176: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2177: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2178: 		    }
1.242     sakharuk 2179: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2180: 		}
1.511     foxr     2181: 
                   2182: 
                   2183: 		
                   2184: 
1.550     foxr     2185: 	    
1.511     foxr     2186: 	    }
                   2187: 	    # Print annotations.
                   2188: 
                   2189: 
                   2190: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2191: 		my $annotation .= &annotate($currentURL);
                   2192: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2193: 	    }
1.511     foxr     2194: 
                   2195: 
1.214     sakharuk 2196: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2197: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2198: 	    }
1.219     sakharuk 2199: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2200: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2201: 
                   2202: 	    }
1.162     sakharuk 2203: 	    $result .= $texversion;
                   2204: 	    if ($currentURL=~m/\.page\s*$/) {
                   2205: 		($result,$number_of_columns) = &page_cleanup($result);
                   2206: 	    }
1.413     albertel 2207:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2208: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2209:             #printing content of sequence from the construction space	
1.559     foxr     2210: 
                   2211: 
1.227     sakharuk 2212: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2213: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2214: 						    $LaTeXwidth);
                   2215: 	    $result .= '\end{document}';  
                   2216: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2217: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2218: 	    }
1.459     foxr     2219: 	    # End construction space sequence.
1.456     raeburn  2220: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2221: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2222: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2223: 		$resources_printed .= $currentURL.':';
1.567     foxr     2224: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2225: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2226: 		    my $annotation = &annotate($currentURL);
                   2227: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2228: 		}
1.258     sakharuk 2229: 		$result .= $texversion;
1.550     foxr     2230: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2231: 	    # For this sort of print of a single LaTeX file,
                   2232: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2233: 	    #
                   2234: 
                   2235: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2236: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2237: 		my $annotation = &annotate($currentURL);
                   2238: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2239: 	    }
                   2240: 
1.499     foxr     2241: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2242: 
1.550     foxr     2243: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2244: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2245: 	    $result .= '\end{document}';
1.559     foxr     2246: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2247: 
                   2248: 	    # Determine the set of resources in the map of the page:
                   2249: 
                   2250: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2251: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2252: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2253: 							$cleanURL, \@page_resources);
                   2254: 
                   2255:        
1.162     sakharuk 2256: 	} else {
1.414     albertel 2257: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2258: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2259: 	}
1.354     foxr     2260:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2261: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2262: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2263:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2264:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2265: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2266: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   2267: 	     ) { 
1.511     foxr     2268: 
                   2269: 
1.141     sakharuk 2270:         #-- produce an output string
1.562     foxr     2271: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2272: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2273: 	    $selectionmade = 2;
1.562     foxr     2274: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2275: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2276: 	{
1.296     sakharuk 2277: 	    $selectionmade = 3;
1.536     foxr     2278: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2279: 		 ) {
1.296     sakharuk 2280: 	    $selectionmade = 4;
1.354     foxr     2281: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2282: 	    $selectionmade = 4;
1.296     sakharuk 2283: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2284: 	    $selectionmade = 7;
                   2285: 	}
1.193     sakharuk 2286: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2287: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2288: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2289: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2290: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2291: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2292: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2293: 	    $form{'problem_split'}='yes';
                   2294: 	}
1.141     sakharuk 2295: 	my $flag_latex_header_remove = 'NO';
                   2296: 	my $flag_page_in_sequence = 'NO';
                   2297: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2298: 	my $prevassignment='';
1.428     albertel 2299: 
                   2300: 	&Apache::lonxml::clear_problem_counter();
                   2301: 
1.416     foxr     2302: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2303: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2304: 
1.521     foxr     2305: 	    &Apache::lonenc::reset_enc();
                   2306: 
                   2307: 
1.350     foxr     2308: 	    # Note due to document structure, not allowed to put \newpage
                   2309: 	    # prior to the first resource
                   2310: 
1.351     foxr     2311: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2312: 		if($i != 0) {
                   2313: 		    $result.="\\newpage\n";
                   2314: 		}
                   2315: 	    }
1.569   ! foxr     2316: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2317: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2318: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2319: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2320: 
                   2321: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2322: 
1.267     sakharuk 2323: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2324: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2325: 	    my $texversion='';
1.413     albertel 2326: 	    if ($urlp!~m|^/adm/|
                   2327: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2328: 		$resources_printed .= $urlp.':';
1.428     albertel 2329: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2330: 		if ($flag_latex_header_remove eq 'NO') {
                   2331: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                   2332: 		    $flag_latex_header_remove = 'YES';
                   2333: 		}
1.515     foxr     2334: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2335: 		if ($urlp=~/\.page$/) {
                   2336: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2337: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2338: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2339: 		    $flag_page_in_sequence = 'YES';
                   2340: 		} 
1.428     albertel 2341: 
1.296     sakharuk 2342: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2343: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2344: 		    #  Don't permanently pervert the %form hash
                   2345: 		    my %answerform = %form;
                   2346: 		    $answerform{'grade_target'}='answer';
                   2347: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2348: 		    $resources_printed .= $urlp.':';
1.428     albertel 2349: 
                   2350: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2351: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 2352: 
1.296     sakharuk 2353: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2354: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 2355: 		    } else {
1.307     sakharuk 2356: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 2357: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2358: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 2359: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2360: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2361: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2362: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2363: 			    $body   .='\vskip 1 mm '.$answer;
                   2364: 			    $body    = &encapsulate_minipage($body);
                   2365: 			    $texversion .= $body;
1.296     sakharuk 2366: 			} else {
                   2367: 			    $texversion='';
                   2368: 			}
1.249     sakharuk 2369: 		    }
1.511     foxr     2370: 
1.246     sakharuk 2371: 		}
1.511     foxr     2372: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2373: 		    my $annotation .= &annotate($urlp);
                   2374: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2375: 		}
                   2376: 
1.296     sakharuk 2377: 		if ($flag_latex_header_remove ne 'NO') {
                   2378: 		    $texversion = &latex_header_footer_remove($texversion);
                   2379: 		} else {
                   2380: 		    $texversion =~ s/\\end{document}//;
                   2381: 		}
                   2382: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2383: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2384: 		}
                   2385: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2386: 		    my $name = &get_name();
                   2387: 		    my $courseidinfo = &get_course();
                   2388: 		    $prevassignment=$assignment;
1.455     albertel 2389: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2390: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2391: 							  $assignment, 
                   2392: 							  $courseidinfo, 
                   2393: 							  $name);
1.552     foxr     2394: 
1.417     foxr     2395: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2396: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2397: 		    } else {
1.455     albertel 2398: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2399: 		    }			
1.296     sakharuk 2400: 		}
                   2401: 		$result .= $texversion;
                   2402: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2403: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2404: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2405: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2406: 		$resources_printed .= $urlp.':';
1.567     foxr     2407: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2408: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2409: 		    my $annotation = &annotate($urlp);
                   2410: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2411: 		}
                   2412: 
1.301     sakharuk 2413: 		if ($flag_latex_header_remove ne 'NO') {
                   2414: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2415: 		} else {	
1.301     sakharuk 2416: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2417: 		}
                   2418: 		$result .= $texversion;
                   2419: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2420: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2421: 		if ($i > 0) {
                   2422: 		    $result .= '\cleardoublepage';
                   2423: 		}
                   2424: 		$result .= &include_pdf($urlp);
                   2425: 		if ($i != $#master_seq) {
                   2426: 		    if ($numberofcolumns eq '1') {
                   2427: 			$result .= '\newpage';
                   2428: 		    } else {
                   2429: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2430: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2431: 			#
                   2432: 			$result .= '\\ \cleardoublepage';
                   2433: 		    }
                   2434: 		}
                   2435: 		$flag_latex_header_remove = 'YES';
                   2436: 
1.141     sakharuk 2437: 	    } else {
1.414     albertel 2438: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2439: 					 $master_seq[$i]);
1.297     sakharuk 2440: 		if ($flag_latex_header_remove ne 'NO') {
                   2441: 		    $texversion = &latex_header_footer_remove($texversion);
                   2442: 		} else {
                   2443: 		    $texversion =~ s/\\end{document}//;
                   2444: 		}
                   2445: 		$result .= $texversion;
                   2446: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 2447: 	    }	    
1.550     foxr     2448: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2449: 		last; 
                   2450: 	    }
1.141     sakharuk 2451: 	}
1.428     albertel 2452: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2453: 	if ($flag_page_in_sequence eq 'YES') {
                   2454: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2455: 	}	
1.141     sakharuk 2456: 	$result .= '\end{document}';
1.284     albertel 2457:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2458: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2459: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2460: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2461: 
                   2462: 
1.150     sakharuk 2463:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2464: 	 my $type;
1.536     foxr     2465: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2466: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2467: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2468: 	     $selectionmade=5;
1.284     albertel 2469: 	     $type='problems';
1.254     sakharuk 2470: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2471: 	     $selectionmade=8;
1.284     albertel 2472: 	     $type='resources';
1.254     sakharuk 2473: 	 }
1.150     sakharuk 2474: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2475: 	 #   The normal sort order is by section then by students within the
                   2476: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2477: 	 #   to override this and output the students by name.
                   2478: 	 #    Each element of the students array is of the form:
                   2479: 	 #       username:domain:section:last, first:status
                   2480: 	 #    
1.429     foxr     2481: 	 #  Note that student sort is not compatible with printing 
                   2482: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2483: 	 #   
1.429     foxr     2484: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2485: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2486: 	     @students = sort compare_names  @students;
                   2487: 	 }
1.429     foxr     2488: 	 &adjust_number_to_print($helper);
                   2489: 
1.278     albertel 2490:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2491: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2492: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2493: 	 }
1.429     foxr     2494: 	 # If we are splitting on section boundaries, we need 
                   2495: 	 # to remember that in split_on_sections and 
                   2496: 	 # print all of the students in the list.
                   2497: 	 #
                   2498: 	 my $split_on_sections = 0;
                   2499: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2500: 	     $split_on_sections = 1;
                   2501: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2502: 	 }
1.150     sakharuk 2503: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2504: 
1.150     sakharuk 2505: 	 #loop over students
1.562     foxr     2506: 
                   2507:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2508: 	 my %moreenv;
1.330     sakharuk 2509:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2510: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2511: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2512: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2513: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2514: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2515: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2516: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2517: 	     $moreenv{'problem_split'}='yes';
                   2518: 	 }
1.318     albertel 2519: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2520: 	 my $student_counter=-1;
1.429     foxr     2521: 	 my $i = 0;
1.430     albertel 2522: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2523: 	 foreach my $person (@students) {
1.350     foxr     2524: 
1.373     albertel 2525:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2526: 	     if (-e $duefile) {
                   2527: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2528: 		 print $temp_file "1969\n";
                   2529: 	     }
1.272     sakharuk 2530: 	     $student_counter++;
1.429     foxr     2531: 	     if ($split_on_sections) {
1.430     albertel 2532: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2533: 		 if ($this_section ne $last_section) {
                   2534: 		     $i++;
                   2535: 		     $last_section = $this_section;
                   2536: 		 }
                   2537: 	     } else {
                   2538: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2539: 	     }
1.375     foxr     2540: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2541: 						     $person,$type,
                   2542: 						     \%moreenv,\@master_seq,
1.360     albertel 2543: 						     $flag_latex_header_remove,
1.422     albertel 2544: 						     $LaTeXwidth);
1.375     foxr     2545: 	     $resources_printed .= ":";
1.284     albertel 2546: 	     $print_array[$i].=$output;
                   2547: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   2548: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2549: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2550: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2551: 	 }
                   2552: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2553: 	 $result .= $print_array[0].'  \end{document}';
                   2554:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2555: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2556: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2557: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2558: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2559: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2560: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2561: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2562: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2563: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2564: 
1.381     albertel 2565: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2566:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2567: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2568: 	 foreach my $line (@lines) {
1.381     albertel 2569: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2570: 	     if ($name eq $code_option) {
                   2571: 		 $code_length=$length;
                   2572: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2573: 	     }
                   2574: 	 }
1.288     albertel 2575: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2576: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2577:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2578: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2579: 	 my @allcodes;
                   2580: 	 if ($old_name) {
1.381     albertel 2581: 	     my %result=&Apache::lonnet::get('CODEs',
                   2582: 					     [$old_name,"type\0$old_name"],
                   2583: 					     $cdom,$cnum);
                   2584: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2585: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2586: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2587: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2588: 	     $num_todo = 1;
                   2589: 	     @allcodes = ($selected_code);
1.385     foxr     2590: 	 } elsif ($single_code) {
                   2591: 
1.387     foxr     2592: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2593: 	     # If an alpha code have to convert to numbers so it can be
                   2594: 	     # converted back to letters again :-)
                   2595: 	     #
                   2596: 	     if ($code_type ne 'number') {
                   2597: 		 $single_code = &letters_to_num($single_code);
                   2598: 	     }
                   2599: 	     @allcodes = ($single_code);
1.292     albertel 2600: 	 } else {
                   2601: 	     my %allcodes;
1.299     albertel 2602: 	     srand($seed);
1.292     albertel 2603: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2604: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2605: 					    $code_type);
1.292     albertel 2606: 	     }
                   2607: 	     if ($code_name) {
                   2608: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2609: 				      {
                   2610: 					$code_name =>join(',',keys(%allcodes)),
                   2611: 					"type\0$code_name" => $code_type
                   2612: 				      },
1.292     albertel 2613: 				      $cdom,$cnum);
                   2614: 	     }
                   2615: 	     @allcodes=keys(%allcodes);
                   2616: 	 }
1.336     albertel 2617: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2618: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2619: 	 &adjust_number_to_print($helper);
1.336     albertel 2620: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2621: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2622: 	     $number_per_page=$num_todo;
                   2623: 	 }
                   2624: 	 my $flag_latex_header_remove = 'NO'; 
                   2625: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2626: 	 my $count=0;
1.292     albertel 2627: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2628: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2629: 	     if ($code_type eq 'number') { 
                   2630: 		 $moreenv{'CODE'}=$code;
                   2631: 	     } else {
                   2632: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2633: 	     }
1.375     foxr     2634: 	     my ($output,$fullname, $printed)=
1.288     albertel 2635: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2636: 				  \@master_seq,$flag_latex_header_remove,
                   2637: 				  $LaTeXwidth);
1.375     foxr     2638: 	     $resources_printed .= ":";
1.295     albertel 2639: 	     $print_array[$file_num].=$output;
1.288     albertel 2640: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2641: 				       &mt('last assignment').' '.$fullname);
                   2642: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2643: 	     $count++;
1.331     albertel 2644: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2645: 	 }
                   2646: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2647: 	 $result .= $print_array[0].'  \end{document}';
                   2648:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2649:     #prints selected problems from the subdirectory 
                   2650: 	$selectionmade = 6;
                   2651:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2652: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2653: 	my $flag_latex_header_remove = 'NO'; 
                   2654: 	my $rndseed=time;
1.230     albertel 2655: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2656: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2657: 	}
1.151     sakharuk 2658: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2659: 
                   2660: 	    &Apache::lonenc::reset_enc();
                   2661: 
1.152     sakharuk 2662: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2663: 	    $urlp=~s|//|/|;
1.152     sakharuk 2664: 	    if ($urlp=~/\//) {
1.353     foxr     2665: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2666: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2667: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2668: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2669: 		} else {
1.302     sakharuk 2670: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2671: 		}
1.375     foxr     2672: 		$resources_printed .= $urlp.':';
1.515     foxr     2673: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2674: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2675: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2676: 		    #  Don't permanently pervert %form:
                   2677: 		    my %answerform = %form;
                   2678: 		    $answerform{'grade_target'}='answer';
                   2679: 		    $answerform{'answer_output_mode'}='tex';
                   2680: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2681: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2682: 		    $resources_printed .= $urlp.':';
1.515     foxr     2683: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2684: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2685: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2686: 		    } else {
1.253     sakharuk 2687: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2688: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2689: 			    $texversion.='\vskip 0 mm \noindent ';
                   2690: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2691: 			} else {
                   2692: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2693: 			    my $URLpath=$urlp;
                   2694: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2695: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2696: 			}
                   2697: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2698: 		    }
1.174     sakharuk 2699: 		}
1.515     foxr     2700:                 #this chunk is responsible for printing the path to problem
                   2701: 
1.253     sakharuk 2702: 		my $newurlp=$urlp;
                   2703: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2704: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2705: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2706: 		if ($flag_latex_header_remove ne 'NO') {
                   2707: 		    $texversion = &latex_header_footer_remove($texversion);
                   2708: 		} else {
                   2709: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2710: 		}
                   2711: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2712: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2713: 		}
1.219     sakharuk 2714: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2715: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2716: 		    
                   2717: 		}
1.152     sakharuk 2718: 		$result .= $texversion;
                   2719: 	    }
                   2720: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2721: 	}
1.175     sakharuk 2722: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2723: 	$result .= '\end{document}';      	
1.140     sakharuk 2724:     }
                   2725: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2726: 
                   2727:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2728: 
                   2729:     if ($do_postprocessing) {
                   2730: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2731: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2732: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2733: 	#if ($numberofcolumns == 1) {
1.451     albertel 2734: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2735: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2736: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2737: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2738: 	#}
                   2739:     }
1.367     foxr     2740: 
1.515     foxr     2741:     # Set URLback if this is a construction space print so we can provide
                   2742:     # a link to the resource being edited.
                   2743:     #
1.274     sakharuk 2744: 
1.276     sakharuk 2745:     my $URLback=''; #link to original document
1.510     albertel 2746:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2747: 	#prints resource from the construction space
                   2748: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2749: 	if ($URLback=~/([^?]+)/) {
                   2750: 	    $URLback=$1;
                   2751: 	    $URLback=~s|^/~|/priv/|;
                   2752: 	}
1.276     sakharuk 2753:     }
1.556     foxr     2754:     #
                   2755:     # Final adjustment of the font size:
                   2756:     #
                   2757: 
                   2758:     $result = set_font_size($result);
1.375     foxr     2759: 
1.525     www      2760: #-- writing .tex file in prtspool 
                   2761:     my $temp_file;
                   2762:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2763:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2764:     if (!($#print_array>0)) { 
                   2765:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2766: 	  $r->log_error("Couldn't open $filename for output $!");
                   2767: 	  return SERVER_ERROR; 
                   2768:        }
                   2769:        print $temp_file $result;
                   2770:        my $begin=index($result,'\begin{document}',0);
                   2771:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2772:     } else {
1.525     www      2773:        my $begin=index($result,'\begin{document}',0);
                   2774:        my $inc=substr($result,0,$begin+16);
                   2775:        for (my $i=0;$i<=$#print_array;$i++) {
                   2776: 	  if ($i==0) {
                   2777: 	      $print_array[$i]=$result;
                   2778: 	  } else {
                   2779: 	      $print_array[$i].='\end{document}';
                   2780: 	      $print_array[$i] = 
                   2781: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2782: 				   $selectionmade, 
                   2783: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2784: 	    
1.525     www      2785: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2786: 	      substr($print_array[$i],0,$anobegin)='';
                   2787: 	      $print_array[$i]=$inc.$print_array[$i];
                   2788: 	  }
                   2789: 	  my $temp_file;
                   2790: 	  my $newfilename=$filename;
                   2791: 	  my $num=$i+1;
                   2792: 	  $newfilename =~s/\.tex$//; 
                   2793: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2794: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2795: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2796: 	      return SERVER_ERROR; 
                   2797: 	  }
                   2798: 	  print $temp_file $print_array[$i];
                   2799:        }
                   2800:     }
                   2801:     my $student_names='';
                   2802:     if ($#print_array>0) {
                   2803:         for (my $i=0;$i<=$#print_array;$i++) {
                   2804:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2805: 	}
1.525     www      2806:     } else {
                   2807: 	if ($#student_names>-1) {
                   2808: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2809: 	} else {
1.525     www      2810:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2811: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2812: 				    $env{'request.course.sec'},$fullname).
                   2813: 					'_ENDPERSON_'.'_END_';
                   2814: 	}
1.525     www      2815:      }
1.515     foxr     2816: 	
1.525     www      2817:      # logic for now is too complex to trace if this has been defined
                   2818:      #  yet.
                   2819:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2820:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2821:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2822: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2823: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2824: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2825: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2826: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2827: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2828: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2829: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2830: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2831: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2832:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2833: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2834: 				"cgi.$identifier.courseid" => $cnum, 
                   2835: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2836: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2837: 	
1.525     www      2838:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2839:     my $continue_text = &mt('Continue');
1.525     www      2840:     # If there's been an unrecoverable SSI error, report it to the user
                   2841:     if ($ssi_error) {
                   2842:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2843:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2844:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2845:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2846:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2847:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2848:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2849:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2850:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2851:     } else {
1.515     foxr     2852: 	$r->print(<<FINALEND);
1.317     albertel 2853: <br />
1.288     albertel 2854: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2855: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2856: $end_page
1.140     sakharuk 2857: FINALEND
1.528     raeburn  2858:     }                                     # endif ssi errors.
1.140     sakharuk 2859: }
                   2860: 
1.288     albertel 2861: 
                   2862: sub get_CODE {
1.381     albertel 2863:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2864:     my $max='1'.'0'x$size;
                   2865:     my $newcode;
                   2866:     while(1) {
1.392     albertel 2867: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2868: 	if (!exists($$all_codes{$newcode})) {
                   2869: 	    $$all_codes{$newcode}=1;
1.381     albertel 2870: 	    if ($type eq 'number' ) {
                   2871: 		return $newcode;
                   2872: 	    } else {
                   2873: 		return &num_to_letters($newcode);
                   2874: 	    }
1.288     albertel 2875: 	}
                   2876:     }
                   2877: }
1.140     sakharuk 2878: 
1.284     albertel 2879: sub print_resources {
1.360     albertel 2880:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2881: 	$LaTeXwidth)=@_;
1.284     albertel 2882:     my $current_output = ''; 
1.375     foxr     2883:     my $printed = '';
1.284     albertel 2884:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2885:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2886:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2887:     if ($person =~ 'anon') {
1.492     foxr     2888: 	$namepostfix .="Name: ";
1.288     albertel 2889: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2890:     }
1.444     foxr     2891:     #  Fullname may have special latex characters that need \ prefixing:
                   2892:     #
                   2893: 
1.350     foxr     2894:     my $i           = 0;
1.284     albertel 2895:     #goes through all resources, checks if they are available for 
                   2896:     #current student, and produces output   
1.428     albertel 2897: 
                   2898:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2899:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2900:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2901:     #
1.441     foxr     2902:     #   end each student with a 
1.440     foxr     2903:     #   Special that allows the post processor to even out the page
                   2904:     #   counts later.  Nasty problem this... it would be really
                   2905:     #   nice to put the special in as a postscript comment
1.441     foxr     2906:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2907:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2908:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2909:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2910:     #
1.568     foxr     2911:     my $syllabus_first = 0;
1.284     albertel 2912:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2913: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2914: 	    if($i != 0) {
                   2915: 		$current_output.= "\\newpage\n";
                   2916: 	    }
                   2917: 	}
1.569   ! foxr     2918: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     2919: 	$i++;
1.511     foxr     2920: 
1.284     albertel 2921: 	if ( !($type eq 'problems' && 
                   2922: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2923: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2924: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2925: 		if ($res_url!~m|^ext/|
1.413     albertel 2926: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2927: 		    $printed .= $curresline.':';
1.428     albertel 2928: 		    &Apache::lonxml::remember_problem_counter();    
                   2929: 
1.526     www      2930: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 2931: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2932: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2933: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2934: 			my %answerenv = %{$moreenv};
                   2935: 			$answerenv{'answer_output_mode'}='tex';
                   2936: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2937: 			
                   2938: 			&Apache::lonxml::restore_problem_counter();
                   2939: 
1.380     foxr     2940: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2941: 
1.305     sakharuk 2942: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2943: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2944: 			} else {
1.423     foxr     2945: 
                   2946: 			    
                   2947: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2948: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2949: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2950: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2951: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2952: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2953: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2954: 			    $body     = &encapsulate_minipage($body);
                   2955: 			    $rendered = $header.$body;
1.305     sakharuk 2956: 			}
                   2957: 		    }
1.511     foxr     2958: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2959: 			my $url = &Apache::lonnet::clutter($res_url);
                   2960: 			my $annotation = &annotate($url);
                   2961: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2962: 		    }
1.562     foxr     2963: 		    my $junk;
1.305     sakharuk 2964: 		    if ($remove_latex_header eq 'YES') {
                   2965: 			$rendered = &latex_header_footer_remove($rendered);
                   2966: 		    } else {
                   2967: 			$rendered =~ s/\\end{document}//;
                   2968: 		    }
                   2969: 		    $current_output .= $rendered;		    
1.456     raeburn  2970: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     2971: 		    if ($i == 1) {
                   2972: 			$syllabus_first = 1;
                   2973: 		    }
1.375     foxr     2974: 		    $printed .= $curresline.':';
1.528     raeburn  2975: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2976: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2977: 			my $url = &Apache::lonnet::clutter($res_url);
                   2978: 			my $annotation = &annotate($url);
                   2979: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2980: 		    }
1.305     sakharuk 2981: 		    if ($remove_latex_header eq 'YES') {
                   2982: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2983: 		    } else {
1.305     sakharuk 2984: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2985: 		    }
1.421     foxr     2986: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     2987: 		} elsif($res_url = ~/\.pdf$/) {
                   2988: 		    my $url = &Apache::lonnet::clutter($res_url);
                   2989: 		    my $rendered  = &include_pdf($url);
                   2990: 		    if ($remove_latex_header ne 'NO') {
                   2991: 			$rendered = &latex_header_footer_remove($rendered);
                   2992: 		    }
                   2993: 		    $current_output .= $rendered;
1.284     albertel 2994: 		} else {
1.414     albertel 2995: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2996: 		    if ($remove_latex_header ne 'NO') {
                   2997: 			$rendered = &latex_header_footer_remove($rendered);
                   2998: 		    } else {
                   2999: 			$rendered =~ s/\\end{document}//;
                   3000: 		    }
                   3001: 		    $current_output .= $rendered;
1.284     albertel 3002: 		}
                   3003: 	    }
                   3004: 	    $remove_latex_header = 'YES';
1.550     foxr     3005: 	} 
1.331     albertel 3006: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3007:     }
1.552     foxr     3008: 
                   3009: 
1.284     albertel 3010:     my $courseidinfo = &get_course();
                   3011:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3012:     my $header_line =
1.486     foxr     3013: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     3014: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 3015:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3016: 	                                         : '\fancyhead[LO]';
                   3017:     $header_line = $header_start.'{'.$header_line.'}';
1.568     foxr     3018:     if ($current_output=~/\\documentclass/ && (!$syllabus_first)) {
1.476     albertel 3019: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.568     foxr     3020:     } elsif ($syllabus_first) {
                   3021: 
                   3022: 	$current_output =~ s/\\\\ Last updated:/Last updated:/
1.284     albertel 3023:     } else {
1.476     albertel 3024: 	my $blankpages = 
                   3025: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3026: 	    
                   3027: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3028: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3029: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3030: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3031:     }
1.440     foxr     3032:     #
                   3033:     #  Close the student bracketing.
                   3034:     #
1.375     foxr     3035:     return ($current_output,$fullname, $printed);
1.284     albertel 3036: 
                   3037: }
1.140     sakharuk 3038: 
1.3       sakharuk 3039: sub handler {
                   3040: 
                   3041:     my $r = shift;
1.397     albertel 3042:     
                   3043:     &init_perm();
1.114     bowersj2 3044: 
1.416     foxr     3045: 
1.67      www      3046: 
1.397     albertel 3047:     my $helper = printHelper($r);
                   3048:     if (!ref($helper)) {
                   3049: 	return $helper;
1.60      sakharuk 3050:     }
1.177     sakharuk 3051:    
1.184     sakharuk 3052: 
1.454     foxr     3053:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3054:  
1.416     foxr     3055: 
1.350     foxr     3056: 
                   3057: 
1.367     foxr     3058:     #  If a figure conversion queue file exists for this user.domain
                   3059:     # we delete it since it can only be bad (if it were good, printout.pl
                   3060:     # would have deleted it the last time around.
                   3061: 
1.373     albertel 3062:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3063:     if(-e $conversion_queuefile) {
                   3064: 	unlink $conversion_queuefile;
                   3065:     }
1.515     foxr     3066:     
                   3067: 
1.184     sakharuk 3068:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3069:     return OK;
1.60      sakharuk 3070: } 
1.2       sakharuk 3071: 
1.131     bowersj2 3072: use Apache::lonhelper;
1.130     sakharuk 3073: 
1.223     bowersj2 3074: sub addMessage {
                   3075:     my $text = shift;
                   3076:     my $paramHash = Apache::lonhelper::getParamHash();
                   3077:     $paramHash->{MESSAGE_TEXT} = $text;
                   3078:     Apache::lonhelper::message->new();
                   3079: }
                   3080: 
1.416     foxr     3081: 
1.238     bowersj2 3082: 
1.397     albertel 3083: sub init_perm {
                   3084:     undef(%perm);
                   3085:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3086:     if (!$perm{'pav'}) {
                   3087: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3088: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3089:     }
1.465     albertel 3090:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3091:     if (!$perm{'pfo'}) {
                   3092: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3093: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3094:     }
                   3095: }
                   3096: 
1.507     albertel 3097: sub get_randomly_ordered_warning {
                   3098:     my ($helper,$map) = @_;
                   3099: 
                   3100:     my $message;
                   3101: 
                   3102:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3103:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3104:     if (defined($navmap)) {
                   3105:         my $res = $navmap->getResourceByUrl($map);
                   3106:         if ($res) {
                   3107: 	    my $func = 
                   3108: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3109: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3110: 	    if (@matches) {
                   3111: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3112: 	    }
                   3113:         }
                   3114:         if ($message) {
                   3115: 	    return '<message type="warning">'.$message.'</message>';
                   3116:         }
                   3117:     } else {
                   3118:         $message = "Retrieval of information about ordering of resources failed."; 
                   3119:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3120:     }
                   3121:     return;
                   3122: }
                   3123: 
1.131     bowersj2 3124: sub printHelper {
1.115     bowersj2 3125:     my $r = shift;
                   3126: 
                   3127:     if ($r->header_only) {
1.373     albertel 3128:         if ($env{'browser.mathml'}) {
1.241     www      3129:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3130:         } else {
1.241     www      3131:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3132:         }
                   3133:         $r->send_http_header;
                   3134:         return OK;
1.115     bowersj2 3135:     }
                   3136: 
1.131     bowersj2 3137:     # Send header, nocache
1.373     albertel 3138:     if ($env{'browser.mathml'}) {
1.241     www      3139:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3140:     } else {
1.241     www      3141:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3142:     }
                   3143:     &Apache::loncommon::no_cache($r);
                   3144:     $r->send_http_header;
                   3145:     $r->rflush();
                   3146: 
1.131     bowersj2 3147:     # Unfortunately, this helper is so complicated we have to
                   3148:     # write it by hand
                   3149: 
                   3150:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3151:     
1.176     bowersj2 3152:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3153:     $helper->declareVar('symb');
1.156     bowersj2 3154:     $helper->declareVar('postdata');    
1.290     sakharuk 3155:     $helper->declareVar('curseed'); 
                   3156:     $helper->declareVar('probstatus');   
1.156     bowersj2 3157:     $helper->declareVar('filename');
                   3158:     $helper->declareVar('construction');
1.178     sakharuk 3159:     $helper->declareVar('assignment');
1.262     sakharuk 3160:     $helper->declareVar('style_file');
1.340     foxr     3161:     $helper->declareVar('student_sort');
1.363     foxr     3162:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3163:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3164:     $helper->declareVar("showallfoils");
1.483     foxr     3165:     $helper->declareVar("STUDENTS");
1.569   ! foxr     3166:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3167: 
                   3168:    
                   3169: 
                   3170: 
1.569   ! foxr     3171:     #  The page breaks and extra spaces
        !          3172:     #  can get loaded initially from the course environment:
1.394     foxr     3173:     # But we only do this in the initial state so that they are allowed to change.
                   3174:     #
1.366     foxr     3175: 
1.363     foxr     3176:     
                   3177:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3178: 						{'pagebreaks'  => 'scalar',
1.569   ! foxr     3179: 						 'extraspace'  => 'scalar',
1.366     foxr     3180: 					         'lastprinttype' => 'scalar'});
                   3181:     
1.483     foxr     3182:     # This will persistently load in the data we want from the
                   3183:     # very first screen.
1.394     foxr     3184:     
                   3185:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3186: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3187: 	    
                   3188: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569   ! foxr     3189: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.394     foxr     3190: 	} else {
                   3191: 	    my $state = $env{"form.CURRENT_STATE"};
                   3192: 	    if ($state eq "START") {
                   3193: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569   ! foxr     3194: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.394     foxr     3195: 	    }
                   3196: 	}
                   3197: 	
1.366     foxr     3198:     }
1.481     albertel 3199: 
1.156     bowersj2 3200:     # Detect whether we're coming from construction space
1.373     albertel 3201:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3202:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3203:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3204:     } else {
1.373     albertel 3205:         if ($env{'form.postdata'}) {
                   3206:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3207: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3208: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3209: 	    }
1.156     bowersj2 3210:         }
1.373     albertel 3211:         if ($env{'form.symb'}) {
                   3212:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3213:         }
1.373     albertel 3214:         if ($env{'form.url'}) {
1.156     bowersj2 3215:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3216:         }
1.416     foxr     3217: 
1.157     bowersj2 3218:     }
1.481     albertel 3219: 
1.373     albertel 3220:     if ($env{'form.symb'}) {
                   3221:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3222:     }
1.373     albertel 3223:     if ($env{'form.url'}) {
1.140     sakharuk 3224:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3225: 
1.140     sakharuk 3226:     }
1.343     albertel 3227:     $helper->{VARS}->{'symb'}=
                   3228: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3229:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3230:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3231: 
1.156     bowersj2 3232:     
1.146     bowersj2 3233:     # Extract map
                   3234:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3235:     my ($map, $id, $url);
                   3236:     my $subdir;
1.483     foxr     3237:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3238: 
                   3239:     # Get the resource name from construction space
                   3240:     if ($helper->{VARS}->{'construction'}) {
                   3241:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3242:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3243:         $subdir = substr($helper->{VARS}->{'filename'},
                   3244:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3245:     } else {
1.562     foxr     3246: 	# From course space:
                   3247: 
1.482     albertel 3248: 	if ($symb ne '') {
                   3249: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3250: 	    $helper->{VARS}->{'postdata'} = 
                   3251: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3252: 	} else {
                   3253: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3254: 	    $is_published=1;	# From resource space.
1.482     albertel 3255: 	}
                   3256: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3257:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3258:             my $postdata = $helper->{VARS}->{'postdata'};
                   3259:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3260:         }
                   3261:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3262:     }
1.373     albertel 3263:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3264: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3265:     }
1.373     albertel 3266:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3267: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3268:     }
1.115     bowersj2 3269: 
1.192     bowersj2 3270:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3271: 
1.481     albertel 3272:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3273: 
1.131     bowersj2 3274:     # "Delete everything after the last slash."
1.119     bowersj2 3275:     $subdir =~ s|/[^/]+$||;
                   3276: 
1.131     bowersj2 3277:     # What can be printed is a very dynamic decision based on
                   3278:     # lots of factors. So we need to dynamically build this list.
                   3279:     # To prevent security leaks, states are only added to the wizard
                   3280:     # if they can be reached, which ensures manipulating the form input
                   3281:     # won't allow anyone to reach states they shouldn't have permission
                   3282:     # to reach.
                   3283: 
                   3284:     # printChoices is tracking the kind of printing the user can
                   3285:     # do, and will be used in a choices construction later.
                   3286:     # In the meantime we will be adding states and elements to
                   3287:     # the helper by hand.
                   3288:     my $printChoices = [];
                   3289:     my $paramHash;
1.130     sakharuk 3290: 
1.240     albertel 3291:     if ($resourceTitle) {
1.458     www      3292:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3293:     }
                   3294: 
1.238     bowersj2 3295:     # Useful filter strings
1.540     raeburn  3296:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3297:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3298:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3299:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3300:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3301:     my $isMap = '$res->is_map()';
1.342     albertel 3302:     my $symbFilter = '$res->shown_symb()';
                   3303:     my $urlValue = '$res->link()';
1.238     bowersj2 3304: 
                   3305:     $helper->declareVar('SEQUENCE');
                   3306: 
1.465     albertel 3307:     # If we're in a sequence...
1.416     foxr     3308: 
1.465     albertel 3309:     my $start_new_option;
                   3310:     if ($perm{'pav'}) {
                   3311: 	$start_new_option = 
                   3312: 	    "<option text='".&mt('Start new page<br />before selected').
1.569   ! foxr     3313: 	    "' variable='FINISHPAGE' />".
        !          3314: 	    "<option text='".&mt('Extra space(mm)<br />before selected').
        !          3315: 	    "' variable='EXTRASPACE' type='text' />" .
        !          3316: 	    "<option " .
        !          3317: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />";
        !          3318: 
1.465     albertel 3319:     }
1.238     bowersj2 3320: 
1.562     foxr     3321:     # If not construction space user can print the components of a page:
                   3322: 
                   3323:     my $page_ispage;
                   3324:     my $page_title;
                   3325:     if (!$helper->{VARS}->{'construction'}) {
                   3326: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3327: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3328: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3329: 	if (defined($page_navmap)) {
                   3330: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3331: 	    if(defined($page_resources[0])) {
                   3332: 		$page_ispage       = $page_resources[0]->is_page();
                   3333: 		$page_title     = $page_resources[0]->title();
                   3334: 		my $resourcesymb   = $page_resources[0]->symb();
                   3335: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3336: 		if ($page_ispage) {
                   3337: 		    push @{$printChoices}, 
                   3338: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3339: 		     'map_problems_in_page', 
                   3340: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3341: 		    push @{$printChoices}, 
                   3342: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3343: 		     'map_resources_in_page', 
                   3344: 		     'CHOOSE_RESOURCES_PAGE'];
                   3345: 		}
1.562     foxr     3346:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3347: 							'Select Problem(s) to print',
                   3348: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3349: 							'RESOURCES',
                   3350: 							'PAGESIZE',
                   3351: 							$url,
                   3352: 							$isProblem, '',  $symbFilter,
                   3353: 							$start_new_option);
                   3354: 
                   3355: 
                   3356:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3357: 						    'Select Resource(s) to print',
                   3358: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3359: 						    'RESOURCES',
                   3360: 						    'PAGESIZE',
                   3361: 						    $url,
                   3362: 						    $isNotMap, '', $symbFilter,
                   3363: 						    $start_new_option);
                   3364: 
                   3365: 						    
                   3366: 
                   3367: 
                   3368: 
                   3369: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3370: 	
1.563     foxr     3371: 	    }
                   3372: 	}
1.562     foxr     3373:     }
                   3374: 
                   3375:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3376: 	$helper->{VARS}->{'postdata'} &&
                   3377: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3378:         # Allow problems from sequence
1.562     foxr     3379:         push @{$printChoices}, 
                   3380: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3381: 	     'map_problems', 
                   3382: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3383:         # Allow all resources from sequence
1.562     foxr     3384:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3385: 				'map_problems_pages', 
                   3386: 				'CHOOSE_PROBLEMS_HTML'];
                   3387:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3388: 							'Select Problem(s) to print',
                   3389: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3390: 							'RESOURCES',
                   3391: 							'PAGESIZE',
                   3392: 							$map,
                   3393: 							$isProblem, '',
                   3394: 							$symbFilter,
                   3395: 							$start_new_option);
                   3396: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3397: 						      'Select Resource(s) to print',
                   3398: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3399: 						      'RESOURCES',
                   3400: 						      'PAGESIZE',
                   3401: 						      $map,
                   3402: 						      $isNotMap, '',
                   3403: 						      $symbFilter,
                   3404: 						      $start_new_option);
1.121     bowersj2 3405: 
1.326     sakharuk 3406: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3407:     }
                   3408: 
1.546     bisitz   3409:     # If the user has pfo (print for others) allow them to print all 
                   3410:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3411:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3412:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3413:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3414: 
1.509     albertel 3415:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3416: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3417: 	push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
1.562     foxr     3418: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3419:   <state name="STUDENTS1" title="Select People">
                   3420:       <message><b>Select sorting order of printout</b> </message>
                   3421:     <choices variable='student_sort'>
                   3422:       <choice computer='0'>Sort by section then student</choice>
                   3423:       <choice computer='1'>Sort by students across sections.</choice>
                   3424:     </choices>
                   3425:       <message><br /><hr /><br /> </message>
                   3426:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3427:   </state>
1.284     albertel 3428: ALL_PROBLEMS
1.562     foxr     3429:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3430: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3431: 							      'SelectProblem(s) to print',
                   3432: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3433: 							      'RESOURCES',
                   3434: 							      'PAGESIZE',
                   3435: 							      '',
                   3436: 							      $isProblemOrMap, $isNotMap,
                   3437: 							      $symbFilter,
                   3438: 							      $start_new_option) .
                   3439: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3440: 							      'Select Resource(s) to print',
                   3441: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3442: 							      'RESOURCES',
                   3443: 							      'PAGESIZE',
                   3444: 							      '',
                   3445: 							      $isNotMap,'',$symbFilter,
                   3446: 							      $start_new_option) .
                   3447: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3448: 							      'Select Problem(s) to print',
                   3449: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3450: 							      'RESOURCES',
                   3451: 							      'STUDENTS1',
                   3452: 							      '',
                   3453: 							      $isProblemOrMap,'' , $symbFilter,
                   3454: 							      $start_new_option) .
                   3455: 				     $suffixXml
                   3456: 				   );
1.132     bowersj2 3457: 
1.284     albertel 3458: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3459: 
                   3460: 	    # If we were looking at a page, allow a selection of problems from the page
                   3461: 	    # either for selected students or for coded assignments.
                   3462: 
                   3463: 	    if ($page_ispage) {
                   3464: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3465: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3466: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3467: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3468: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3469: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3470: 	    }
                   3471: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3472: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3473: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3474: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3475: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3476: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3477: 	}
1.424     foxr     3478: 
1.507     albertel 3479: 	my $randomly_ordered_warning = 
                   3480: 	    &get_randomly_ordered_warning($helper,$map);
                   3481: 
1.424     foxr     3482: 	# resource_selector will hold a few states that:
                   3483: 	#   - Allow resources to be selected for printing.
                   3484: 	#   - Determine pagination between assignments.
                   3485: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3486:         # TODO:
                   3487: 	#    Probably good to do things like separate this up into several vars, each
                   3488: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3489: 	#    and next states for better mix and match capability
                   3490: 	#
1.562     foxr     3491: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3492: 							  'Select resources to print',
                   3493: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3494: 							  'RESOURCES', 
                   3495: 							  'PRINT_FORMATTING',
                   3496: 							  '',
                   3497: 							  $isProblem, '', $symbFilter,
                   3498: 							  $start_new_option);
                   3499: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3500:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3501:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3502:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3503:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3504:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3505:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3506:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3507:     </choices>
1.424     foxr     3508:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3509:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3510:     <choices variable="SPLIT_PDFS">
                   3511:        <choice computer="all">All assignments in a single PDF file</choice>
                   3512:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3513:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3514:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3515:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3516:     </choices>
1.424     foxr     3517:     </state>
1.284     albertel 3518: RESOURCE_SELECTOR
1.562     foxr     3519:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3520: 							'Select Problem(s) to print',
                   3521: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3522: 							'RESOURCES',
                   3523: 							'PRINT_FORMATTING',
                   3524: 							$url,
                   3525: 							$isProblem, '',  $symbFilter,
                   3526: 							$start_new_option);
                   3527: 
                   3528: 
                   3529: # Generate student choosers.
                   3530: 
                   3531: 
1.284     albertel 3532: 
1.562     foxr     3533:         &Apache::lonxml::xmlparse($r, 'helper',
                   3534: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3535: 							    'student_sort',
                   3536: 							    'STUDENTS',
                   3537: 							    'CHOOSE_STUDENTS_PAGE'));
                   3538: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3539: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3540: 							    'student_sort',
                   3541: 							    'STUDENTS',
                   3542: 							    'SELECT_PROBLEMS'));
                   3543: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3544: 
1.373     albertel 3545: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3546: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3547:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3548: 	my $namechoice='<choice></choice>';
1.337     albertel 3549: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3550: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3551: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3552: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3553: 	}
1.389     foxr     3554: 
                   3555: 
                   3556: 	my %code_values;
1.405     albertel 3557: 	my %codes_to_print;
1.411     albertel 3558: 	foreach my $key (@names) {
1.389     foxr     3559: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3560: 	    foreach my $key (keys(%code_values)) {
                   3561: 		$codes_to_print{$key} = 1;
1.388     foxr     3562: 	    }
                   3563: 	}
1.389     foxr     3564: 
1.452     albertel 3565: 	my $code_selection;
1.405     albertel 3566: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3567: 	    my $choice  = $code;
                   3568: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3569: 		$choice = &letters_to_num($code);
                   3570: 	    }
1.432     albertel 3571: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3572: 	}
1.436     albertel 3573: 	if (%codes_to_print) {
                   3574: 	    $code_selection .='   
1.472     albertel 3575: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3576: 		<message></td><td></message>
1.452     albertel 3577: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3578:                   <choice></choice>
1.448     albertel 3579:                   <exec>
                   3580:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3581:                   </exec>
1.452     albertel 3582: 		</dropdown>
1.468     foxr     3583: 	    <message></td></tr><tr><td></message>
1.436     albertel 3584:             '.$/;
1.448     albertel 3585: 
1.436     albertel 3586: 	}
1.432     albertel 3587: 
1.542     raeburn  3588:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3589: 	my $codechoice='';
1.542     raeburn  3590: 	foreach my $line (@lines) {
1.381     albertel 3591: 	    my ($name,$description,$code_type,$code_length)=
                   3592: 		(split(/:/,$line))[0,1,2,4];
                   3593: 	    if ($code_length > 0 && 
                   3594: 		$code_type =~/^(letter|number|-1)/) {
                   3595: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3596: 	    }
                   3597: 	}
                   3598: 	if ($codechoice eq '') {
                   3599: 	    $codechoice='<choice computer="default">Default</choice>';
                   3600: 	}
1.562     foxr     3601: 	my $anon1 = &generate_code_selector($helper, 
                   3602: 					    'CHOOSE_ANON1',
                   3603: 					    'SELECT_PROBLEMS',
                   3604: 					    $codechoice,
                   3605: 					    $code_selection,
                   3606: 					    $namechoice) . $resource_selector;
                   3607: 					    
                   3608: 					    
                   3609:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3610: 
                   3611: 	my $anon_page = &generate_code_selector($helper,
                   3612: 						'CHOOSE_ANON1_PAGE',
                   3613: 						'SELECT_PROBLEMS_PAGE',
                   3614: 						$codechoice,
                   3615: 						$code_selection,
                   3616: 						$namechoice) .
                   3617: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3618: 						   'Select Problem(s) to print',
                   3619: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3620: 						   'RESOURCES',
                   3621: 						   'PRINT_FORMATTING',
                   3622: 						   $url,
                   3623: 						   $isProblem, '',  $symbFilter,
                   3624: 						   $start_new_option);
                   3625: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3626: 
1.272     sakharuk 3627: 
1.254     sakharuk 3628: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3629: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   3630: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 3631: 	}
1.284     albertel 3632: 	    
                   3633: 
                   3634: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3635:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3636:     $randomly_ordered_warning
1.424     foxr     3637:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3638:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3639:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3640:               closeallpages="1">
1.254     sakharuk 3641:       <filterfunc>return $isNotMap;</filterfunc>
                   3642:       <mapurl>$map</mapurl>
                   3643:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3644:       $start_new_option
1.254     sakharuk 3645:       </resource>
1.424     foxr     3646:     </state>
1.562     foxr     3647: 
1.424     foxr     3648:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3649:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3650:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3651:     <choices variable="EMPTY_PAGES">
                   3652:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3653:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3654:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3655:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3656:     </choices>
1.424     foxr     3657:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3658:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3659:     <choices variable="SPLIT_PDFS">
                   3660:        <choice computer="all">All assignments in a single PDF file</choice>
                   3661:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3662:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3663:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3664:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3665:     </choices>
1.424     foxr     3666:     </state>
1.284     albertel 3667: RESOURCE_SELECTOR
                   3668: 
                   3669: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3670:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3671:     <choices variable='student_sort'>
                   3672:       <choice computer='0'>Sort by section then student</choice>
                   3673:       <choice computer='1'>Sort by students across sections.</choice>
                   3674:     </choices>
1.437     foxr     3675:     <message><br /><hr /><br /></message>
1.426     foxr     3676:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3677: 
1.424     foxr     3678:     </state>
1.284     albertel 3679:     $resource_selector
1.254     sakharuk 3680: CHOOSE_STUDENTS1
                   3681: 
1.284     albertel 3682: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3683:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3684:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3685:     <message><h4>Fill out one of the forms below</h4></message>
                   3686:     <message><br /><hr /> <br /></message>
                   3687:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3688:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3689:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3690:        <validator>
                   3691: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3692: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3693: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3694: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3695: 	    return "You need to specify the number of assignments to print";
                   3696: 	}
                   3697: 	return undef;
                   3698:        </validator>
                   3699:     </string>
                   3700:     <message></td></tr><tr><td></message>
1.501     albertel 3701:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3702:     <message></td><td></message>
                   3703:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3704:     <message></td></tr><tr><td></message>
                   3705:     <message><b>Bubble sheet type:</b></message>
                   3706:     <message></td><td></message>
                   3707:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3708:     $codechoice
                   3709:     </dropdown>
1.472     albertel 3710:     <message></td></tr><tr><td></table></message>
                   3711:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3712:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3713:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3714:         <validator>
                   3715: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3716: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3717: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3718: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3719: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3720: 	   } else {
                   3721: 	       return undef;	# Other forces control us.
                   3722: 	   }
                   3723:         </validator>
                   3724:     </string>
1.472     albertel 3725:     <message></td></tr><tr><td></message>
1.432     albertel 3726:         $code_selection
1.472     albertel 3727:     <message></td></tr></table></message>
                   3728:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3729:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3730:     <message></td><td></message>
1.294     albertel 3731:     <dropdown variable="REUSE_OLD_CODES">
                   3732:         $namechoice
                   3733:     </dropdown>
1.412     albertel 3734:     <message></td></tr></table></message>
1.424     foxr     3735:   </state>
1.284     albertel 3736:     $resource_selector
                   3737: CHOOSE_ANON2
1.481     albertel 3738:     }
                   3739: 
1.121     bowersj2 3740:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3741:     if (($perm{'pav'} 
1.482     albertel 3742: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3743: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3744: 	    ||
                   3745: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3746: 	     && 
                   3747: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3748: 	    )) 
                   3749: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3750: 	) {
                   3751: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3752:         push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from current subdirectory [_3]','<b>','</b>','<b><i>'.$pretty_dir.'</i></b>','<b>','</b>'), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.139     bowersj2 3753:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3754:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3755: 
1.138     bowersj2 3756:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3757:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3758:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3759: CHOOSE_FROM_SUBDIR
                   3760:         
1.238     bowersj2 3761:         # this is broken up because I really want interpolation above,
                   3762:         # and I really DON'T want it below
1.139     bowersj2 3763:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3764:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3765: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3766:       </filefilter>
1.138     bowersj2 3767:       </files>
1.131     bowersj2 3768:     </state>
                   3769: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3770:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3771:     }
1.238     bowersj2 3772: 
                   3773:     # Allow the user to select any sequence in the course, feed it to
                   3774:     # another resource selector for that sequence
1.483     foxr     3775:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3776: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3777: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3778: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3779: 	#Escape apostrophes and backslashes for Perl
                   3780: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3781: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3782: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3783:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3784:     <message>Select the sequence to print resources from:</message>
                   3785:     <resource variable="SEQUENCE">
                   3786:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3787:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3788:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3789:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3790: 	</choicefunc>
1.238     bowersj2 3791:       </resource>
                   3792:     </state>
                   3793:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3794:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3795:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3796:               closeallpages="1">
1.238     bowersj2 3797:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3798:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3799:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3800:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3801:       $start_new_option
1.238     bowersj2 3802:       </resource>
                   3803:     </state>
                   3804: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3805: }
1.481     albertel 3806: 
1.131     bowersj2 3807:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3808:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3809:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3810:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3811:     Apache::lonhelper::message->new();
                   3812:     $paramHash = Apache::lonhelper::getParamHash();
                   3813:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3814:     $paramHash->{CHOICES} = $printChoices;
                   3815:     Apache::lonhelper::choices->new();
1.161     bowersj2 3816: 
1.223     bowersj2 3817:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3818:                           # to close it later)
                   3819: 
1.397     albertel 3820:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3821: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3822: 	&addMessage('<br />'
                   3823:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3824:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3825:                    .&Apache::lonhtmlcommon::row_title(
                   3826:                        '<label for="ANSWER_TYPE_forminput">'
                   3827:                       .&mt('Print Answers')
                   3828:                       .'</label>'
                   3829:                     )
                   3830:         );
1.161     bowersj2 3831:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3832: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3833: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3834:         $paramHash->{CHOICES} = [
1.242     sakharuk 3835:                                    ['Without Answers', 'yes'],
                   3836:                                    ['With Answers', 'no'],
1.368     albertel 3837:                                    ['Only Answers', 'only']
1.289     sakharuk 3838:                                 ];
1.210     sakharuk 3839:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3840: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3841: 	$startedTable = 1;
1.556     foxr     3842: 
                   3843: #
                   3844: #  Select font size.
                   3845: #
                   3846: 
                   3847:             $helper->declareVar('fontsize');
                   3848:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3849:             my $xmlfrag = << "FONT_SELECTION";
                   3850: 
                   3851:           
                   3852:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3853:             <defaultvalue>
                   3854: 		  return 'normalsize';
                   3855:             </defaultvalue>
                   3856:             <choice computer='tiny'>Tiny</choice>
                   3857:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3858:             <choice computer='footnotesize'>Footnote Size</choice>
                   3859:             <choice computer='small'>Small</choice>
                   3860:             <choice computer='normalsize'>Normal (default)</choice>
                   3861:             <choice computer='large'>larger than normal</choice>
                   3862:             <choice computer='Large'>Even larger than normal</choice>
                   3863:             <choice computer='LARGE'>Still larger than normal</choice>
                   3864:             <choice computer='huge'>huge font size</choice>
                   3865:             <choice computer='Huge'>Largest possible size</choice>
                   3866:             </dropdown>
                   3867: FONT_SELECTION
                   3868:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3869:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3870:     }
1.209     sakharuk 3871: 
1.397     albertel 3872:     if ($perm{'pav'}) {
1.223     bowersj2 3873: 	if (!$startedTable) {
1.497     www      3874: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3875:                        '<label for="LATEX_TYPE_forminput">'.
                   3876:                        &mt('LaTeX mode').
                   3877:                        "</label>: </td><td>");
1.223     bowersj2 3878: 	    $startedTable = 1;
                   3879: 	} else {
1.544     bisitz   3880: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3881:                            '<label for="LATEX_TYPE_forminput">'
                   3882:                            .&mt('LaTeX mode')
                   3883:                            .'</label>'
                   3884:                         )
                   3885:             );
1.223     bowersj2 3886: 	}
1.203     sakharuk 3887:         $paramHash = Apache::lonhelper::getParamHash();
                   3888: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3889: 	$helper->declareVar('LATEX_TYPE');  
                   3890: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3891: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3892: 				     ['standard LaTeX mode', 'standard'], 
                   3893: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3894: 	} else {
                   3895: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3896: 				     ['LaTeX batchmode', 'batchmode'],
                   3897: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3898: 	}
1.210     sakharuk 3899:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3900:  
1.544     bisitz   3901: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3902:                    .&Apache::lonhtmlcommon::row_title(
                   3903:                         '<label for="TABLE_CONTENTS_forminput">'
                   3904:                        .&mt('Print Table of Contents')
                   3905:                        .'</label>'
                   3906:                     )
                   3907:         );
1.209     sakharuk 3908:         $paramHash = Apache::lonhelper::getParamHash();
                   3909: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3910: 	$helper->declareVar('TABLE_CONTENTS');         
                   3911:         $paramHash->{CHOICES} = [
1.223     bowersj2 3912:                                    ['No', 'no'],
                   3913:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3914:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3915: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3916:         
1.220     sakharuk 3917: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3918: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3919:                             '<label for="TABLE_INDEX_forminput">'
                   3920:                            .&mt('Print Index')
                   3921:                            .'</label>'
                   3922:                         )
                   3923:             );
1.220     sakharuk 3924: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3925: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3926: 	    $helper->declareVar('TABLE_INDEX');         
                   3927: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3928: 				     ['No', 'no'],
                   3929: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3930: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3931:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3932:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3933:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3934:                            .&mt('Print Discussions')
                   3935:                            .'</label>'
                   3936:                         )
                   3937:             );
1.309     sakharuk 3938: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3939: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3940: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3941: 	    $paramHash->{CHOICES} = [
                   3942: 				     ['No', 'no'],
                   3943: 				     ['Yes', 'yes'] ];
                   3944: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3945:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     3946: 
1.511     foxr     3947: 	    # Prompt for printing annotations too.
                   3948: 		
1.545     bisitz   3949: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3950:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   3951:                            .&mt('Print Annotations')
                   3952:                            .'</label>'
                   3953:                         )
                   3954:             );
1.511     foxr     3955: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3956: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3957: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3958: 	    $paramHash->{CHOICES} = [
                   3959: 				     ['No', 'no'],
                   3960: 				     ['Yes', 'yes']];
                   3961: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3962:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     3963: 
1.545     bisitz   3964:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 3965: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3966: 	    $paramHash->{'multichoice'} = "true";
                   3967: 	    $paramHash->{'allowempty'}  = "true";
                   3968: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   3969: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 3970: 	    Apache::lonhelper::choices->new();
1.545     bisitz   3971:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 3972: 	}
1.219     sakharuk 3973: 
1.230     albertel 3974: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3975: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3976:             my $randseedtext=&mt("Use random seed");
                   3977:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3978:             my $selectfiletext=&mt("Select style file");
1.497     www      3979: 
1.544     bisitz   3980: 	    my $xmlfrag .= '<message>'
                   3981:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   3982:                                               .$randseedtext
                   3983:                                               .'</label>'
                   3984:              )
                   3985:             .'</message>
                   3986:             <string variable="curseed" size="15" maxlength="15">
                   3987:                 <defaultvalue>
                   3988:                    return '.$helper->{VARS}->{'curseed'}.';
                   3989:                 </defaultvalue>'
                   3990:             .'</string>'
                   3991:             .'<message>'
                   3992:             .&Apache::lonhtmlcommon::row_closure()
                   3993:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   3994:                                               .$stylefiletext
                   3995:                                               .'</label>'
                   3996:              )
                   3997:             .'</message>
1.504     albertel 3998:              <string variable="style_file" size="40">
1.544     bisitz   3999:                 <defaultvalue>
                   4000:                     return '.$stylevalue.';
                   4001:                 </defaultvalue>
                   4002:              </string><message>&nbsp;'
                   4003: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4004: .$selectfiletext.'</a>'
                   4005:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4006:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4007:             .'</message>
1.371     foxr     4008: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4009:                 <choice computer="1">&nbsp;</choice>
                   4010:              </choices>'
                   4011: 	    .'<message>'
                   4012:             .&Apache::lonhtmlcommon::row_closure()
                   4013:             .'</message>';
1.230     albertel 4014:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4015: 
                   4016: 
1.544     bisitz   4017:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4018: 	    #
                   4019: 	    # Initial value from construction space:
                   4020: 	    #
                   4021: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4022: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4023: 	    }
1.518     foxr     4024: 	    $xmlfrag = << "PROBTYPE";
                   4025: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4026: 		   <defaultvalue>
                   4027: 		      return "$helper->{VARS}->{'probstatus'}";
                   4028:                    </defaultvalue>
                   4029: 		   <choice computer="problem">Homework Problem</choice>
                   4030: 		   <choice computer="exam">Exam Problem</choice>
                   4031: 		   <choice computer="survey">Survey question</choice>
                   4032: 		</dropdown>
                   4033: PROBTYPE
                   4034:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4035:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4036: 
1.556     foxr     4037: 
                   4038: 
1.544     bisitz   4039:         }
1.223     bowersj2 4040:     }
1.264     sakharuk 4041: 
                   4042: 
                   4043: 
1.218     sakharuk 4044: 
1.223     bowersj2 4045:     if ($startedTable) {
1.544     bisitz   4046:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4047:     }
1.161     bowersj2 4048: 
1.131     bowersj2 4049:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4050: 
1.144     bowersj2 4051:     # Generate the PAGESIZE state which will offer the user the margin
                   4052:     # choices if they select one column
                   4053:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4054:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4055: 
                   4056: 
1.131     bowersj2 4057:     $helper->process();
                   4058: 
1.416     foxr     4059: 
1.131     bowersj2 4060:     # MANUAL BAILOUT CONDITION:
                   4061:     # If we're in the "final" state, bailout and return to handler
                   4062:     if ($helper->{STATE} eq 'FINAL') {
                   4063:         return $helper;
                   4064:     }    
1.130     sakharuk 4065: 
1.131     bowersj2 4066:     $r->print($helper->display());
1.395     www      4067:     if ($helper->{STATE} eq 'START') {
                   4068: 	&recently_generated($r);
                   4069:     }
1.333     albertel 4070:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4071: 
                   4072:     return OK;
                   4073: }
                   4074: 
1.1       www      4075: 
                   4076: 1;
1.119     bowersj2 4077: 
                   4078: package Apache::lonprintout::page_format_state;
                   4079: 
                   4080: =pod
                   4081: 
1.131     bowersj2 4082: =head1 Helper element: page_format_state
                   4083: 
                   4084: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4085: 
1.131     bowersj2 4086: Apache::lonprintout::page_format_state is an element that gives the 
                   4087: user an opportunity to select the page layout they wish to print 
                   4088: with: Number of columns, portrait/landscape, and paper size. If you 
                   4089: want to change the paper size choices, change the @paperSize array 
                   4090: contents in this package.
1.119     bowersj2 4091: 
1.131     bowersj2 4092: page_format_state is always directly invoked in lonprintout.pm, so there
                   4093: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4094: 
                   4095: =over 4
                   4096: 
1.131     bowersj2 4097: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4098: 
                   4099: =back
                   4100: 
                   4101: =cut
                   4102: 
1.131     bowersj2 4103: use Apache::lonhelper;
1.119     bowersj2 4104: 
                   4105: no strict;
1.131     bowersj2 4106: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4107: use strict;
1.266     sakharuk 4108: use Apache::lonlocal;
1.373     albertel 4109: use Apache::lonnet;
1.119     bowersj2 4110: 
                   4111: my $maxColumns = 2;
1.376     albertel 4112: # it'd be nice if these all worked
                   4113: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4114: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4115: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4116: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4117: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4118: 		 "a4 [210x297 mm]");
1.119     bowersj2 4119: 
                   4120: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4121: #                   Paper type
                   4122: 
                   4123: sub new { 
1.131     bowersj2 4124:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4125: 
1.135     bowersj2 4126:     shift;
                   4127: 
1.131     bowersj2 4128:     $self->{'variable'} = shift;
1.134     bowersj2 4129:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4130:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4131:     bless($self);
1.119     bowersj2 4132:     return $self;
                   4133: }
                   4134: 
                   4135: sub render {
                   4136:     my $self = shift;
1.131     bowersj2 4137:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4138:     my $result = '';
1.131     bowersj2 4139:     my $var = $self->{'variable'};
1.266     sakharuk 4140:     my $PageLayout=&mt('Page layout');
                   4141:     my $NumberOfColumns=&mt('Number of columns');
                   4142:     my $PaperType=&mt('Paper type');
1.506     albertel 4143:     my $landscape=&mt('Landscape');
                   4144:     my $portrait=&mt('Portrait');
1.539     onken    4145:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4146:     my $with=&mt('with Formfields');
                   4147:     my $without=&mt('without Formfields');
1.556     foxr     4148:     
                   4149: 
1.544     bisitz   4150:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4151:             .&Apache::loncommon::start_data_table()
                   4152:             .&Apache::loncommon::start_data_table_header_row()
                   4153:             .'<th>'.$PageLayout.'</th>'
                   4154:             .'<th>'.$NumberOfColumns.'</th>'
                   4155:             .'<th>'.$PaperType.'</th>'
                   4156:             .'<th>'.$pdfFormLabel.'</th>'
                   4157:             .&Apache::loncommon::end_data_table_header_row()
                   4158:             .&Apache::loncommon::start_data_table_row()
                   4159:     .'<td>'
                   4160:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4161:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4162:     .'</td>';
1.119     bowersj2 4163: 
1.544     bisitz   4164:     $result.='<td align="center">'
                   4165:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4166: 
                   4167:     my $i;
                   4168:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4169:         if ($i == 2) {
1.553     bisitz   4170:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4171:         } else {
1.553     bisitz   4172:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4173:         }
                   4174:     }
                   4175: 
                   4176:     $result .= "</select></td><td>\n";
                   4177:     $result .= "<select name='${var}.paper'>\n";
                   4178: 
1.373     albertel 4179:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4180:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4181:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4182:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4183:     $i = 0;
                   4184:     foreach (@paperSize) {
1.326     sakharuk 4185: 	$_=~/(\w+)/;
                   4186: 	my $papersize=$1;
1.304     sakharuk 4187:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4188:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4189:         } else {
1.553     bisitz   4190:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4191:         }
                   4192:         $i++;
                   4193:     }
1.539     onken    4194:     $result .= <<HTML;
                   4195:         </select>
                   4196:     </td>
                   4197:     <td align='center'>
                   4198:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4199:             <option selected="selected" value="no">$without</option>
                   4200:             <option value="yes">$with</option>
1.539     onken    4201:         </select>
                   4202:     </td>
                   4203: HTML
1.544     bisitz   4204:     $result.=&Apache::loncommon::end_data_table_row()
                   4205:             .&Apache::loncommon::end_data_table();
1.539     onken    4206: 
1.119     bowersj2 4207:     return $result;
1.135     bowersj2 4208: }
                   4209: 
                   4210: sub postprocess {
                   4211:     my $self = shift;
                   4212: 
                   4213:     my $var = $self->{'variable'};
1.136     bowersj2 4214:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4215:     $helper->{VARS}->{$var} = 
1.373     albertel 4216:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4217:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4218:     return 1;
1.119     bowersj2 4219: }
                   4220: 
                   4221: 1;
1.144     bowersj2 4222: 
                   4223: package Apache::lonprintout::page_size_state;
                   4224: 
                   4225: =pod
                   4226: 
                   4227: =head1 Helper element: page_size_state
                   4228: 
                   4229: See lonhelper.pm documentation for discussion of the helper framework.
                   4230: 
                   4231: Apache::lonprintout::page_size_state is an element that gives the 
                   4232: user the opportunity to further refine the page settings if they
                   4233: select a single-column page.
                   4234: 
                   4235: page_size_state is always directly invoked in lonprintout.pm, so there
                   4236: is no tag interface. You actually pass parameters to the constructor.
                   4237: 
                   4238: =over 4
                   4239: 
                   4240: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4241: 
                   4242: =back
                   4243: 
                   4244: =cut
                   4245: 
                   4246: use Apache::lonhelper;
1.373     albertel 4247: use Apache::lonnet;
1.144     bowersj2 4248: no strict;
                   4249: @ISA = ("Apache::lonhelper::element");
                   4250: use strict;
                   4251: 
                   4252: 
                   4253: 
                   4254: sub new { 
                   4255:     my $self = Apache::lonhelper::element->new();
                   4256: 
                   4257:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4258:            # package descriptor)... - Jeremy
                   4259: 
                   4260:     $self->{'variable'} = shift;
                   4261:     my $helper = Apache::lonhelper::getHelper();
                   4262:     $helper->declareVar($self->{'variable'});
                   4263: 
                   4264:     # The variable name of the format element, so we can look into 
                   4265:     # $helper->{VARS} to figure out whether the columns are one or two
                   4266:     $self->{'formatvar'} = shift;
                   4267: 
1.463     foxr     4268: 
1.144     bowersj2 4269:     $self->{NEXTSTATE} = shift;
                   4270:     bless($self);
1.467     foxr     4271: 
1.144     bowersj2 4272:     return $self;
                   4273: }
                   4274: 
                   4275: sub render {
                   4276:     my $self = shift;
                   4277:     my $helper = Apache::lonhelper::getHelper();
                   4278:     my $result = '';
                   4279:     my $var = $self->{'variable'};
                   4280: 
1.467     foxr     4281: 
                   4282: 
1.144     bowersj2 4283:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4284:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4285:     }
                   4286: 
1.438     foxr     4287:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4288: 
                   4289:     # Use format to get sensible defaults for the margins:
                   4290: 
                   4291: 
                   4292:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4293:     ($papersize)                      = split(/ /, $papersize);
                   4294: 
1.559     foxr     4295:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4296: 
                   4297: 
                   4298: 
1.464     albertel 4299:     my %size;
                   4300:     ($size{'width_and_units'},
                   4301:      $size{'height_and_units'},
                   4302:      $size{'margin_and_units'})=
                   4303: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4304:     
1.464     albertel 4305:     foreach my $dimension ('width','height','margin') {
                   4306: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4307: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4308:        	
                   4309: 	foreach my $unit ('cm','in') {
                   4310: 	    $size{$dimension.'_options'} .= '<option ';
                   4311: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4312: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4313: 	    }
                   4314: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4315: 	}
1.438     foxr     4316:     }
                   4317: 
1.470     foxr     4318:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4319: 
                   4320:     if ($size{'margin_unit'} eq 'in') {
                   4321: 	$size{'margin'} += 1;
                   4322:     }  else {
                   4323: 	$size{'margin'} += 2.54;
                   4324:     }
1.548     bisitz   4325:     my %lt = &Apache::lonlocal::texthash(
                   4326:         'format' => 'How should each column be formatted?',
                   4327:         'width'  => 'Width',
                   4328:         'height' => 'Height',
                   4329:         'margin' => 'Left Margin'
                   4330:     );
                   4331: 
                   4332:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4333:               .&Apache::lonhtmlcommon::start_pick_box()
                   4334:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4335:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4336:               .'<select name="'.$var.'.widthunit">'
                   4337:               .$size{'width_options'}
                   4338:               .'</select>'
                   4339:               .&Apache::lonhtmlcommon::row_closure()
                   4340:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4341:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4342:               .'<select name="'.$var.'.heightunit">'
                   4343:               .$size{'height_options'}
                   4344:               .'</select>'
                   4345:               .&Apache::lonhtmlcommon::row_closure()
                   4346:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4347:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4348:               .'<select name="'.$var.'.lmarginunit">'
                   4349:               .$size{'margin_options'}
                   4350:               .'</select>'
                   4351:               .&Apache::lonhtmlcommon::row_closure(1)
                   4352:               .&Apache::lonhtmlcommon::end_pick_box();
                   4353:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4354:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4355: 
                   4356:     return $result;
                   4357: }
                   4358: 
1.470     foxr     4359: 
1.144     bowersj2 4360: sub preprocess {
                   4361:     my $self = shift;
                   4362:     my $helper = Apache::lonhelper::getHelper();
                   4363: 
                   4364:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4365: 
                   4366:     #  If the user does not have 'pav' privilege, set default widths and
                   4367:     #  on to the next state right away.
                   4368:     #
                   4369:     if (!$perm{'pav'}) {
                   4370: 	my $var = $self->{'variable'};
                   4371: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4372: 	
                   4373: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4374: 	($papersize)                      = split(/ /, $papersize);
                   4375: 	
                   4376: 	
1.560     foxr     4377: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4378: 
1.467     foxr     4379: 	#  Figure out some good defaults for the print out and set them:
                   4380: 	
                   4381: 	my %size;
                   4382: 	($size{'width'},
                   4383: 	 $size{'height'},
                   4384: 	 $size{'lmargin'})=
                   4385: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4386: 	
                   4387: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4388: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4389: 	    	    
1.467     foxr     4390: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4391: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4392: 	    
                   4393: 	}
                   4394: 	
                   4395: 
                   4396: 	# Transition to the next state
                   4397: 
                   4398: 	$helper->changeState($self->{NEXTSTATE});
                   4399:     }
1.144     bowersj2 4400:    
                   4401:     return 1;
                   4402: }
                   4403: 
                   4404: sub postprocess {
                   4405:     my $self = shift;
                   4406: 
                   4407:     my $var = $self->{'variable'};
                   4408:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4409:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4410:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4411:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4412:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4413:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4414:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4415: 
                   4416:     my $error = '';
                   4417: 
                   4418:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4419:     # by an optional period, followed by digits, ending the string
                   4420: 
1.464     albertel 4421:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4422:         $error .= "Invalid width; please type only a number.<br />\n";
                   4423:     }
1.464     albertel 4424:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4425:         $error .= "Invalid height; please type only a number.<br />\n";
                   4426:     }
1.464     albertel 4427:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4428:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4429:     } else {
                   4430: 	# Adjust for LaTeX 1.0 inch margin:
                   4431: 
                   4432: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4433: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4434: 	} else {
                   4435: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4436: 	}
1.144     bowersj2 4437:     }
                   4438: 
                   4439:     if (!$error) {
                   4440:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4441:         return 1;
                   4442:     } else {
                   4443:         $self->{ERROR_MSG} = $error;
                   4444:         return 0;
                   4445:     }
                   4446: }
                   4447: 
                   4448: 
1.119     bowersj2 4449: 
1.1       www      4450: __END__
1.6       sakharuk 4451: 

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